Health Calculators

2020 Vision Calculator 20/20 vision is shorthand for normal sharpness of sight: you can read at 20 feet what a person with healthy eyes reads at 20 feet. This calculator converts a Snellen test result into the familiar 20/x notation. Enter the distance you were tested at and the distance a normal eye could read the same line from, and it returns your vision ratio. A larger second number means weaker distance vision.

4Ts Score Calculator (HIT) The 4Ts score estimates how likely a drop in platelets is caused by heparin-induced thrombocytopenia (HIT). It scores four features — the degree of Thrombocytopenia, the Timing of the platelet fall, the presence of Thrombosis, and whether oTher causes are present — from 0 to 2 each, for a total of 0 to 8. The total places a patient in a low, intermediate or high pre-test probability of HIT. Absolute Neutrophil Count (ANC, without Bands) Calculator This Absolute Neutrophil Count Calculator estimates neutrophils when only the segmented neutrophil percentage is reported (bands excluded). The formula used is: ANC = WBC × neutrophils% ÷ 100. Enter the WBC count in cells per microlitre and the neutrophil percentage from the differential. Absolute Neutrophil Count (ANC) Calculator The Absolute Neutrophil Count (ANC) Calculator works out the number of infection-fighting neutrophils in the blood from the white blood cell count and the neutrophil and band percentages. The formula used is: ANC = WBC × (neutrophils% + bands%) ÷ 100. Enter the WBC count in cells per microlitre and the percentages from the differential.

5/3/1 Program Calculator 5/3/1 Program Calculator is a health and wellness calculator that helps you calculate 5/3/1 program values from your input data. The formula used is: Wk1: 65/75/85% × TM. Wk2: 70/80/90% × TM. Wk3: 75/85/95% × TM. Wk4: 40/50/60% × TM.. Enter values using the units shown next to each input field (e.g. kg, cm, years). Cricket Match Prediction Calculator Cricket Match Prediction Calculator is a health and wellness calculator that helps you calculate cricket match prediction values from your input data. The formula used is: Projected = Runs + CRR × Overs Remaining. Adjusted = Projected × (1 − wicketsLost × 0.03).. Enter values using the units shown next to each input field (e.g. kg, cm, years). Cricket Scoring Rate Calculator Cricket Scoring Rate Calculator is a health and wellness calculator that helps you calculate cricket scoring rate values from your input data. The formula used is: Run Rate = Runs / Overs. Required RR = (Target − Runs) / (Balls Remaining / 6).. Enter values using the units shown next to each input field (e.g. kg, cm, years). Cycling Distance & Time Calculator Cycling Distance & Time Calculator is a health and wellness calculator that helps you calculate distances between two or more points. The formula used is: Distance = Speed × Time(h). Elevation adjustment ≈ 0.5% per 100 m gain. Calories = MET × weight × time(h).. Enter values using the units shown next to each input field (e.g. kg, cm, years). Cycling Power Output Calculator Cycling Power Output Calculator is a health and wellness calculator that helps you calculate the power output in watts needed for cycling based on speed, gradient and rider weight. The formula used is: P_total = P_rolling + P_gradient + P_aero. P_aero = 0.5 × ρ × CdA × v_rel² × v_speed.. Enter values using the units shown next to each input field (e.g. kg, cm, years). DLS Method Calculator (Cricket) DLS Method Calculator (Cricket) is a health and wellness calculator that helps you calculate dls method calculator (cricket) values from your input data. The formula used is: Resource lost = Overs Reduced / Total Overs × 100. Adjustment = Target × (Resource Lost / 100) × 0.8. Revised target = ceil(Target − Adjustment) + 1.. Enter values using the units shown next to each input field (e.g. kg, cm, years). Earned Run Average (ERA) Calculator Earned Run Average (ERA) Calculator is a health and wellness calculator that helps you calculate a pitcher's Earned Run Average (ERA) from earned runs and innings pitched. The formula used is: ERA = (Earned Runs / Innings Pitched) × 9. Enter values using the units shown next to each input field (e.g. kg, cm, years). Electric Bike Range Calculator Electric Bike Range Calculator is a health and wellness calculator that helps you calculate electric bike range values from your input data. The formula used is: Effective Wh/km = Base Power × Assist Multiplier. Range = Battery Wh / Effective Wh/km.. Enter values using the units shown next to each input field (e.g. kg, cm, years). Elo Rating Calculator Elo Rating Calculator is a health and wellness calculator that helps you calculate elo rating values from your input data. The formula used is: Expected = 1 / (1 + 10^((oppRating−yourRating)/400)). New rating = Old + K × (Actual − Expected).. Enter values using the units shown next to each input field (e.g. kg, cm, years). Football Player Rating Calculator (FIFA style) Football Player Rating Calculator (FIFA style) is a health and wellness calculator that helps you calculate football player rating calculator (fifa style) values from your input data. The formula used is: Rating = clamp(50 + (G/game×3 + A/game×2 + CS/game) × 15, 1, 99).. Enter values using the units shown next to each input field (e.g. kg, cm, years). Net Run Rate (NRR) Calculator Net Run Rate (NRR) Calculator is a health and wellness calculator that helps you calculate net run rate (nrr) values from your input data. The formula used is: NRR = (Runs Scored / Overs Faced) − (Runs Conceded / Overs Bowled). Enter values using the units shown next to each input field (e.g. kg, cm, years). On Base Percentage (OBP) Calculator On Base Percentage (OBP) Calculator is a health and wellness calculator that helps you calculate a percentage from a part and a whole, or a percentage change. The formula used is: OBP = (H + BB + HBP) / (AB + BB + HBP + SF). Enter values using the units shown next to each input field (e.g. kg, cm, years). Physical Fitness Test Score Calculator Physical Fitness Test Score Calculator is a health and wellness calculator that helps you calculate pH or pOH from ion concentrations. The formula used is: Each event scored 0–100. Push-ups: score = reps/standard×100. Run: score = (18−time)/9×100. Average of 3.. Enter values using the units shown next to each input field (e.g. kg, cm, years). Slugging Percentage Calculator (Baseball) Slugging Percentage Calculator (Baseball) is a health and wellness calculator that helps you calculate a percentage from a part and a whole, or a percentage change. The formula used is: SLG = (1B + 2×2B + 3×3B + 4×HR) / AB. OPS = OBP + SLG.. Enter values using the units shown next to each input field (e.g. kg, cm, years). Sports Injury Recovery Time Estimator Sports Injury Recovery Time Estimator is a health and wellness calculator that helps you calculate sports injury recovery time estimator values from your input data. The formula used is: Recovery weeks from evidence-based tables by injury type and age group. Phases split ~25/25/30/20%.. Enter values using the units shown next to each input field (e.g. kg, cm, years). Sports Nutrition Timing Calculator Sports Nutrition Timing Calculator is a health and wellness calculator that helps you calculate sports nutrition timing values from your input data. The formula used is: Carbs = weight × g/kg (by type). Protein = weight × 1.8 g/kg. Fat = weight × 1.2 g/kg. Calories = C×4 + P×4 + F×9.. Enter values using the units shown next to each input field (e.g. kg, cm, years). Squash Court Booking Calculator Squash Court Booking Calculator is a health and wellness calculator that helps you calculate squash court booking values from your input data. The formula used is: Session cost = Rate/hr × Hours. Weekly = Session × Sessions/week. Monthly = Weekly × 4. Annual = Monthly × 12.. Enter values using the units shown next to each input field (e.g. kg, cm, years). Stair Climbing Calorie Calculator Stair Climbing Calorie Calculator is a health and wellness calculator that helps you calculate calorie values based on body data or activity level. The formula used is: Time = height / speed. Calories = MET × weight(kg) × time(h). MET: up=8, down=3.. Enter values using the units shown next to each input field (e.g. kg, cm, years). Swimming Pace Calculator Swimming Pace Calculator is a health and wellness calculator that helps you calculate swimming pace values from your input data. The formula used is: Pace/100m = (Total time in sec / Distance) × 100. Laps = Distance / Pool Length.. Enter values using the units shown next to each input field (e.g. kg, cm, years). Swimming Time Converter (25m to 50m) Swimming Time Converter (25m to 50m) is a health and wellness calculator that helps you calculate a measurement from one unit to an equivalent in another unit. The formula used is: LC Time ≈ SC Time + (turns × 0.4 sec). Turns in 25m pool: 50m=1, 100m=3, 200m=7, 400m=15.. Enter values using the units shown next to each input field (e.g. kg, cm, years). Warm-up Sets Calculator Warm-up Sets Calculator is a health and wellness calculator that helps you calculate warm-up sets values from your input data. The formula used is: Set weight = round(workingWeight × setNumber/totalSets, 2.5 kg). Plates per side = (weight − bar) / 2.. Enter values using the units shown next to each input field (e.g. kg, cm, years). Wilks Score Calculator (Powerlifting) Wilks Score Calculator (Powerlifting) is a health and wellness calculator that helps you calculate power output from energy and time. The formula used is: Wilks = Total × 500 / (a + b×BW + c×BW² + d×BW³ + e×BW⁴ + f×BW⁵). Enter values using the units shown next to each input field (e.g. kg, cm, years). Winning Percentage Calculator Winning Percentage Calculator is a health and wellness calculator that helps you calculate a percentage from a part and a whole, or a percentage change. The formula used is: Win% = Wins / (Wins + Losses + Draws) × 100. Points (3-pt) = Wins×3 + Draws×1.. Enter values using the units shown next to each input field (e.g. kg, cm, years).

6 Minute Walk Test Calculator The six-minute walk test (6MWT) measures how far you can walk on a flat surface in six minutes, a simple gauge of cardiopulmonary fitness used in heart and lung disease. This calculator compares the distance you walked, in metres, against an age-based predicted distance and reports it as a percentage of predicted. A lower percentage suggests reduced exercise capacity. A-a Gradient Calculator This A-a gradient calculator works out the alveolar-arterial oxygen gradient, the difference between the oxygen pressure in your alveoli (PAO2) and the oxygen in your arterial blood (PaO2). Enter the inspired oxygen fraction (FiO2), arterial CO2 (PaCO2), arterial O2 (PaO2), and age, and it returns the A-a gradient alongside the value expected for your age, helping to localise the cause of low blood oxygen. A-a Gradient Calculator (Alveolar-Arterial) This A-a gradient calculator finds the alveolar-arterial oxygen gradient, the difference between the oxygen pressure in your alveoli (PAO2) and your arterial blood (PaO2). Enter FiO2, PaCO2, PaO2, and age, and it returns the gradient, the alveolar PO2, and the value expected for your age to help localise the cause of low blood oxygen. Asthma Control Test (ACT) Calculator Score the Asthma Control Test (ACT), a five-question self-assessment of how well your asthma has been controlled over the past four weeks. Rate each item from 1 to 5 and the calculator adds them up to a total out of 25, then tells you whether your asthma is well controlled, not well controlled, or poorly controlled. CURB-65 Pneumonia Severity Calculator CURB-65 Pneumonia Severity Calculator is a health and wellness calculator that helps you calculate curb-65 pneumonia severity values from your input data. The formula used is: 1 point each: Confusion, Urea > 7, RR ≥ 30, BP low, age ≥ 65. Enter values using the units shown next to each input field (e.g. kg, cm, years). FEV1/FVC Ratio Calculator FEV1/FVC Ratio Calculator is a health and wellness calculator that helps you calculate the ratio between two numbers in simplified form. The formula used is: Ratio = FEV1 ÷ FVC. Enter values using the units shown next to each input field (e.g. kg, cm, years). Minute Ventilation Calculator Minute Ventilation Calculator is a health and wellness calculator that helps you calculate minute ventilation values from your input data. The formula used is: Minute Ventilation = Tidal Volume × Respiratory Rate. Enter values using the units shown next to each input field (e.g. kg, cm, years). mMRC Dyspnea Scale Calculator mMRC Dyspnea Scale Calculator is a health and wellness calculator that helps you calculate mmrc dyspnea scale values from your input data. The formula used is: Single self-reported grade from 0 (least) to 4 (most breathless). Enter values using the units shown next to each input field (e.g. kg, cm, years). Oxygen Cylinder Duration Calculator Oxygen Cylinder Duration Calculator is a health and wellness calculator that helps you calculate the ratio between two numbers in simplified form. The formula used is: Duration (min) = Capacity × Remaining% ÷ Flow rate. Enter values using the units shown next to each input field (e.g. kg, cm, years). PaO2/FiO2 Ratio Calculator (P/F Ratio) PaO2/FiO2 Ratio Calculator (P/F Ratio) is a health and wellness calculator that helps you calculate the ratio between two numbers in simplified form. The formula used is: P/F Ratio = PaO2 ÷ (FiO2 as a fraction). Enter values using the units shown next to each input field (e.g. kg, cm, years). Peak Flow Zones Calculator (Asthma Action Plan) Peak Flow Zones Calculator (Asthma Action Plan) is a health and wellness calculator that helps you calculate peak flow zones calculator (asthma action plan) values from your input data. The formula used is: Green ≥ 80% of best; Yellow 50–79%; Red < 50% of best. Enter values using the units shown next to each input field (e.g. kg, cm, years). Predicted FEV1 Calculator Predicted FEV1 Calculator is a health and wellness calculator that helps you calculate predicted fev1 values from your input data. The formula used is: Men: 0.043×H − 0.029×Age − 2.49; Women: 0.0395×H − 0.025×Age − 2.60 (H in cm). Enter values using the units shown next to each input field (e.g. kg, cm, years). Predicted Peak Flow (PEFR) Calculator Predicted Peak Flow (PEFR) Calculator is a health and wellness calculator that helps you calculate predicted peak flow (pefr) values from your input data. The formula used is: Approximate: Men 3.0×H − 1.5×Age + 100; Women 2.6×H − 1.3×Age + 80 (H in cm). Enter values using the units shown next to each input field (e.g. kg, cm, years). Tidal Volume Calculator (Lung-Protective Ventilation) Tidal Volume Calculator (Lung-Protective Ventilation) is a health and wellness calculator that helps you calculate the volume of a three-dimensional shape or container. The formula used is: IBW = (50 or 45.5) + 2.3 × (height inches − 60); Vt = IBW × mL/kg. Enter values using the units shown next to each input field (e.g. kg, cm, years).

90 Minute Sleep Cycle Calculator Sleep runs in cycles of roughly 90 minutes, and waking at the end of a cycle leaves you feeling more refreshed than waking mid-cycle. This calculator takes your target sleep time and cycle length and tells you how many complete cycles fit and the actual sleep duration that lines up with a full cycle. Use it to plan a bedtime or wake-up that avoids interrupting deep sleep. AHI (Apnea-Hypopnea Index) Calculator The AHI Calculator works out the Apnea-Hypopnea Index — the average number of apnea and hypopnea events per hour of sleep — used to grade obstructive sleep apnea severity. AHI = total events ÷ total sleep hours.

A Body Shape Index Calculator A Body Shape Index (ABSI) combines your waist circumference with your BMI and height to judge how much of your weight sits around the middle. Enter your waist, height and weight and the calculator returns your ABSI, your BMI, and a rough risk band. A higher ABSI means more central fat for your size, which is linked to greater health risk independent of BMI. ABSI Calculator The ABSI (A Body Shape Index) calculator scores how much your waist size stands out for your height and weight, then compares it to population norms by sex to give a z-score and risk band. Enter your sex, age, weight, height and waist circumference. Because it adjusts for BMI and height, ABSI captures central-fat risk that BMI alone misses. Adjusted Body Weight Calculator The Adjusted Body Weight Calculator estimates the dosing weight used clinically when someone weighs well above their ideal body weight (IBW). It finds IBW from height and sex with the Hamwi formula, then applies AdjBW = IBW + 0.4 × (actual weight − IBW). It is an educational reference, not medical advice. Adjusted Body Weight Calculator The Adjusted Body Weight Calculator estimates the dosing weight used in clinical settings when a person's actual weight is well above their ideal body weight (IBW). It first finds IBW from height and sex using the Hamwi formula, then applies AdjBW = IBW + 0.4 × (actual weight − IBW). It is for educational reference, not medical advice. AFT Calculator Calculate the Ankle-Foot-Thigh (AFT) ratio to assess lower limb proportion in physical therapy and clinical evaluations. BAI Calculator The BAI Calculator estimates your Body Adiposity Index — an estimate of body fat percentage from your hip circumference and height, without needing your weight. Enter your sex, height, and hip measurement, and it returns your BAI along with a category and the healthy range for your sex. BAI is an alternative to BMI that some find useful when weight isn't available. Bedridden Patient Height Calculator Estimate the height (stature) of a bedridden or non-ambulatory adult from their knee height using the Chumlea equation. When a patient can't stand to be measured, knee height combined with age and sex gives a validated estimate of their standing height — useful for BMI, drug dosing and nutrition assessment. Body Fat Calculator Popular Estimate your body fat percentage with the US Navy circumference method. Enter your sex, height, and a few tape measurements to see your body fat percentage, category, and healthy range. Body Frame Size Calculator Find out whether you have a small, medium, or large body frame from your height-to-wrist ratio. Enter your sex, height, and wrist circumference to see your frame size and the reference ranges. Body Shape Calculator Find your body shape — hourglass, pear, inverted triangle, apple, or rectangle — from your bust, waist, and hip measurements. Enter the three measurements to see your shape and how defined your waist is. BRI Calculator The Body Roundness Index (BRI) estimates how 'round' your body is using your height and waist circumference, giving a single number linked to visceral fat and metabolic risk. Enter your measurements to see your BRI, category, and waist-to-height ratio. BSA Calculator Calculate your body surface area (BSA) — used in clinical practice for drug dosing and assessing organ function — from your height and weight. The calculator shows results from the Mosteller, Du Bois, and Haycock formulas side by side. Draw Length Calculator Draw Length Calculator is a health and wellness calculator that helps you calculate draw length values from your input data. The formula used is: Draw Length (inches) = Arm Span (inches) ÷ 2.5. Enter values using the units shown next to each input field (e.g. kg, cm, years). Face Shape Calculator Face Shape Calculator is a health and wellness calculator that helps you calculate face shape values from your input data. The formula used is: Face shape is determined by comparing:\n• Face length vs widest width (length-to-width ratio)\n• Relative widths of forehead, cheekbones, and jaw\n• Jawline angularity. Enter values using the units shown next to each input field (e.g. kg, cm, years). FFMI Calculator FFMI Calculator is a health and wellness calculator that helps you calculate ffmi values from your input data. The formula used is: Lean Mass (kg) = Weight × (1 − Body Fat %/100)\nFFMI (raw) = Lean Mass / height(m)²\nFFMI (normalised) = FFMI_raw + 6.1 × (1.8 − height_m). Enter values using the units shown next to each input field (e.g. kg, cm, years). Waist-to-Hip Ratio Calculator Calculate waist-to-hip ratio, a health indicator for central obesity and cardiovascular risk.

Abdominal Volume Index Calculator The Abdominal Volume Index (AVI) estimates the volume of your abdomen from your waist and hip circumferences, giving a measure of central (belly) fat linked to metabolic risk. Enter your waist and hip in centimetres and the calculator returns your AVI and a rough interpretation. It is a screening estimate of abdominal obesity, not a diagnosis. Army Body Fat Calculator Estimate your body-fat percentage with the US Army tape-test method and check it against the Army's maximum allowable standard for your age and gender. It uses the same circumference equations as the Navy method — based on height, neck and waist (plus hip for women) — then compares the result to the Army body-fat limits. Enter your measurements in centimetres to see your estimated body fat and whether it is within standard. Body Composition Goal Calculator Find your goal weight for a target body fat percentage while preserving lean mass. Enter your current weight, current body fat, and goal body fat to see your goal weight, the fat you need to lose, and your lean mass. Body Water Percentage Calculator Estimate your body water percentage — the share of your weight made up of water — using the Watson total body water formula. Enter your sex, age, height, and weight to see your body water percentage and total body water in litres. Broca Index Calculator The Broca index gives a quick estimate of your ideal body weight from height alone, then compares your actual weight to it as a percentage. Enter your gender, height, and weight to see your Broca ideal weight and where you sit relative to it. Conicity Index Calculator Conicity Index Calculator is a health and wellness calculator that helps you calculate conicity index values from your input data. The formula used is: C-Index = waist (m) / (0.109 × √(weight(kg) / height(m))). Enter values using the units shown next to each input field (e.g. kg, cm, years). Durnin-Womersley 4-Site Body Fat Calculator Durnin-Womersley 4-Site Body Fat Calculator is a health and wellness calculator that helps you calculate durnin-womersley 4-site body fat values from your input data. The formula used is: BD = c − m·log10(sum of 4 skinfolds); %BF = 495/BD − 450. Enter values using the units shown next to each input field (e.g. kg, cm, years). Fat Mass Index (FMI) Calculator Fat Mass Index (FMI) Calculator is a health and wellness calculator that helps you calculate fat mass index (fmi) values from your input data. The formula used is: FMI = fat mass (kg) / height (m)², where fat mass = weight × body fat % / 100. Enter values using the units shown next to each input field (e.g. kg, cm, years). Healthy Weight Range Calculator Healthy Weight Range Calculator is a health and wellness calculator that helps you calculate weight values or weight conversions between unit systems. The formula used is: Weight = BMI × height(m)², using BMI 18.5 (low) to 24.9 (high). Enter values using the units shown next to each input field (e.g. kg, cm, years). Ideal Body Fat Percentage Calculator Ideal Body Fat Percentage Calculator is a health and wellness calculator that helps you calculate a percentage from a part and a whole, or a percentage change. The formula used is: Healthy body fat ranges are taken from age- and gender-based reference tables.. Enter values using the units shown next to each input field (e.g. kg, cm, years). Jackson-Pollock 3-Site Body Fat Calculator Jackson-Pollock 3-Site Body Fat Calculator is a health and wellness calculator that helps you calculate jackson-pollock 3-site body fat values from your input data. The formula used is: Men: BD = 1.10938 − 0.0008267·S + 0.0000016·S² − 0.0002574·age; %BF = 495/BD − 450. Enter values using the units shown next to each input field (e.g. kg, cm, years). Lean Mass Index (LMI) Calculator Lean Mass Index (LMI) Calculator is a health and wellness calculator that helps you calculate lean mass index (lmi) values from your input data. The formula used is: LMI = lean mass (kg) / height (m)², where lean mass = weight × (1 − body fat % / 100). Enter values using the units shown next to each input field (e.g. kg, cm, years). Metabolic Age Calculator Metabolic Age Calculator is a health and wellness calculator that helps you calculate your metabolic age by comparing your BMR with the expected BMR for your age. The formula used is: Compares your Mifflin-St Jeor BMR to expected BMR; a higher BMR than typical lowers metabolic age.. Enter values using the units shown next to each input field (e.g. kg, cm, years). Muscle Mass Percentage Calculator Muscle Mass Percentage Calculator is a health and wellness calculator that helps you calculate a percentage from a part and a whole, or a percentage change. The formula used is: Muscle % = estimated skeletal muscle mass / body weight × 100 (Lee equation for muscle mass). Enter values using the units shown next to each input field (e.g. kg, cm, years). Muscle to Fat Ratio Calculator Muscle to Fat Ratio Calculator is a health and wellness calculator that helps you calculate the ratio between two numbers in simplified form. The formula used is: Ratio = lean mass / fat mass, where lean = weight × (1 − BF%/100) and fat = weight × BF%/100. Enter values using the units shown next to each input field (e.g. kg, cm, years). Navy Body Fat Calculator Navy Body Fat Calculator is a health and wellness calculator that helps you calculate navy body fat values from your input data. The formula used is: Men: 495 / (1.0324 − 0.19077·log10(waist−neck) + 0.15456·log10(height)) − 450. Enter values using the units shown next to each input field (e.g. kg, cm, years). Skeletal Muscle Mass Calculator Skeletal Muscle Mass Calculator is a health and wellness calculator that helps you calculate skeletal muscle mass values from your input data. The formula used is: SMM = 0.244·weight + 7.80·height(m) + 6.6·sex − 0.098·age − 3.3 (sex: 1 male, 0 female). Enter values using the units shown next to each input field (e.g. kg, cm, years). Total Body Water Calculator Estimate your total body water (TBW) in litres using the Watson formula. Enter your sex, age, height, and weight to see how many litres of water your body holds and what share of your weight that is. Total Body Water Calculator Total Body Water Calculator is a health and wellness calculator that helps you calculate total body water values from your input data. The formula used is: Men: TBW = 2.447 − 0.09516·age + 0.1074·height + 0.3362·weight (Watson). Enter values using the units shown next to each input field (e.g. kg, cm, years). Visceral Adiposity Index Calculator Visceral Adiposity Index Calculator is a health and wellness calculator that helps you calculate visceral adiposity index values from your input data. The formula used is: Men: VAI = (waist / (39.68 + 1.88·BMI)) × (TG/1.03) × (1.31/HDL). Enter values using the units shown next to each input field (e.g. kg, cm, years). YMCA Body Fat Calculator YMCA Body Fat Calculator is a health and wellness calculator that helps you calculate ymca body fat values from your input data. The formula used is: Men: %BF = (−98.42 + 4.15·waist(in) − 0.082·weight(lb)) / weight(lb) × 100. Enter values using the units shown next to each input field (e.g. kg, cm, years).

Absolute Lymphocyte Count (ALC) Calculator This absolute lymphocyte count (ALC) calculator works out the number of lymphocytes in your blood from a complete blood count. Enter your total white cell count and the lymphocyte percentage, and it returns the ALC in cells/µL along with whether the result indicates lymphopenia or lymphocytosis. Absolute Neutrophil Count (ANC) Calculator This absolute neutrophil count (ANC) calculator works out the number of infection-fighting neutrophils in your blood from a complete blood count. Enter your total white cell count and the percentages of neutrophils and band cells, and it returns the ANC in cells/µL along with whether the result indicates neutropenia. Albumin Unit Converter (g/dL ↔ g/L) The Albumin Unit Converter switches albumin lab results between g/dL and g/L. The two scales differ by a factor of 10: g/L = g/dL × 10, and g/dL = g/L ÷ 10. Albumin/Globulin (A/G) Ratio Calculator The Albumin/Globulin (A/G) Ratio Calculator works out the ratio of albumin to globulin in your blood from total protein and albumin. Globulin = total protein − albumin, and the A/G ratio = albumin ÷ globulin. A normal ratio is roughly 1.1 to 2.5. Ammonia Unit Converter (µg/dL ↔ µmol/L) Ammonia Unit Converter (µg/dL ↔ µmol/L) is a health and wellness calculator that helps you calculate a measurement from one unit to an equivalent in another unit. The formula used is: µmol/L = µg/dL × 0.587; µg/dL = µmol/L ÷ 0.587. Enter values using the units shown next to each input field (e.g. kg, cm, years). Bilirubin Unit Converter (mg/dL ↔ µmol/L) Convert bilirubin levels between mg/dL and µmol/L, the two units used on liver function and jaundice lab reports. The conversion uses bilirubin's molar mass factor: µmol/L = mg/dL × 17.1, and mg/dL = µmol/L ÷ 17.1. Choose a direction and enter your value to convert instantly. Calcium Unit Converter (mg/dL ↔ mmol/L) Convert a serum calcium result between mg/dL and mmol/L. Lab reports use different units in different countries, so this converter lets you read any calcium value in the units you're familiar with. Enter the value, choose the direction, and get the equivalent instantly. Cholesterol Unit Converter (mg/dL ↔ mmol/L) Cholesterol Unit Converter (mg/dL ↔ mmol/L) is a health and wellness calculator that helps you calculate a measurement from one unit to an equivalent in another unit. The formula used is: mmol/L = mg/dL × 0.02586; mg/dL = mmol/L ÷ 0.02586. Enter values using the units shown next to each input field (e.g. kg, cm, years). Corrected Reticulocyte Count Calculator Corrected Reticulocyte Count Calculator is a health and wellness calculator that helps you calculate corrected reticulocyte count values from your input data. The formula used is: Corrected retic% = retic% × (Hct ÷ 45); RPI = corrected ÷ maturation factor. Enter values using the units shown next to each input field (e.g. kg, cm, years). Cortisol Unit Converter (µg/dL ↔ nmol/L) Cortisol Unit Converter (µg/dL ↔ nmol/L) is a health and wellness calculator that helps you calculate a measurement from one unit to an equivalent in another unit. The formula used is: nmol/L = µg/dL × 27.59; µg/dL = nmol/L ÷ 27.59. Enter values using the units shown next to each input field (e.g. kg, cm, years). Creatinine Unit Converter (mg/dL ↔ µmol/L) Creatinine Unit Converter (mg/dL ↔ µmol/L) is a health and wellness calculator that helps you calculate a measurement from one unit to an equivalent in another unit. The formula used is: µmol/L = mg/dL × 88.4; mg/dL = µmol/L ÷ 88.4. Enter values using the units shown next to each input field (e.g. kg, cm, years). Estradiol Unit Converter (pg/mL ↔ pmol/L) Estradiol Unit Converter (pg/mL ↔ pmol/L) is a health and wellness calculator that helps you calculate a measurement from one unit to an equivalent in another unit. The formula used is: pmol/L = pg/mL × 3.671; pg/mL = pmol/L ÷ 3.671. Enter values using the units shown next to each input field (e.g. kg, cm, years). Ferritin Unit Converter (ng/mL ↔ pmol/L) Ferritin Unit Converter (ng/mL ↔ pmol/L) is a health and wellness calculator that helps you calculate a measurement from one unit to an equivalent in another unit. The formula used is: ng/mL = µg/L (1:1); pmol/L = ng/mL × 2.247. Enter values using the units shown next to each input field (e.g. kg, cm, years). Folate Unit Converter (ng/mL ↔ nmol/L) Convert folate lab values between ng/mL (nanograms per milliliter) and nmol/L (nanomoles per liter). Uses the standard conversion factor 2.266. Helpful for comparing international lab results and understanding folate/B12 deficiency screening. Globulin & A/G Ratio Calculator Globulin & A/G Ratio Calculator is a health and wellness calculator that helps you calculate the ratio between two numbers in simplified form. The formula used is: Globulin = Total Protein − Albumin; A/G = Albumin ÷ Globulin. Enter values using the units shown next to each input field (e.g. kg, cm, years). Hemoglobin Unit Converter (g/dL ↔ g/L) Hemoglobin Unit Converter (g/dL ↔ g/L) is a health and wellness calculator that helps you calculate a measurement from one unit to an equivalent in another unit. The formula used is: g/L = g/dL × 10; mmol/L = g/dL × 0.6206. Enter values using the units shown next to each input field (e.g. kg, cm, years). Lactate Unit Converter (mg/dL ↔ mmol/L) Lactate Unit Converter (mg/dL ↔ mmol/L) is a health and wellness calculator that helps you calculate a measurement from one unit to an equivalent in another unit. The formula used is: mmol/L = mg/dL × 0.111; mg/dL = mmol/L ÷ 0.111. Enter values using the units shown next to each input field (e.g. kg, cm, years). Magnesium Unit Converter (mg/dL ↔ mmol/L) Magnesium Unit Converter (mg/dL ↔ mmol/L) is a health and wellness calculator that helps you calculate a measurement from one unit to an equivalent in another unit. The formula used is: mmol/L = mg/dL × 0.4114; mg/dL = mmol/L ÷ 0.4114. Enter values using the units shown next to each input field (e.g. kg, cm, years). MCHC Calculator MCHC Calculator is a health and wellness calculator that helps you calculate mchc values from your input data. The formula used is: MCHC (g/dL) = Hemoglobin (g/dL) × 100 ÷ Hematocrit (%). Enter values using the units shown next to each input field (e.g. kg, cm, years). Mean Corpuscular Hemoglobin (MCH) Calculator Mean Corpuscular Hemoglobin (MCH) Calculator is a health and wellness calculator that helps you calculate statistical measures from a data set. The formula used is: MCH (pg) = Hemoglobin (g/dL) × 10 ÷ RBC (×10¹²/L). Enter values using the units shown next to each input field (e.g. kg, cm, years). Mean Corpuscular Volume (MCV) Calculator Mean Corpuscular Volume (MCV) Calculator is a health and wellness calculator that helps you calculate the volume of a three-dimensional shape or container. The formula used is: MCV (fL) = Hematocrit (%) × 10 ÷ RBC (×10¹²/L). Enter values using the units shown next to each input field (e.g. kg, cm, years). Phosphate Unit Converter (mg/dL ↔ mmol/L) Phosphate Unit Converter (mg/dL ↔ mmol/L) is a health and wellness calculator that helps you calculate a measurement from one unit to an equivalent in another unit. The formula used is: mmol/L = mg/dL × 0.3229; mg/dL = mmol/L ÷ 0.3229. Enter values using the units shown next to each input field (e.g. kg, cm, years). Progesterone Unit Converter (ng/mL ↔ nmol/L) Progesterone Unit Converter (ng/mL ↔ nmol/L) is a health and wellness calculator that helps you calculate a measurement from one unit to an equivalent in another unit. The formula used is: nmol/L = ng/mL × 3.18; ng/mL = nmol/L ÷ 3.18. Enter values using the units shown next to each input field (e.g. kg, cm, years). Serum Iron Unit Converter (µg/dL ↔ µmol/L) Serum Iron Unit Converter (µg/dL ↔ µmol/L) is a health and wellness calculator that helps you calculate a measurement from one unit to an equivalent in another unit. The formula used is: µmol/L = µg/dL × 0.179; µg/dL = µmol/L ÷ 0.179. Enter values using the units shown next to each input field (e.g. kg, cm, years). Testosterone Unit Converter (ng/dL ↔ nmol/L) Testosterone Unit Converter (ng/dL ↔ nmol/L) is a health and wellness calculator that helps you calculate a measurement from one unit to an equivalent in another unit. The formula used is: nmol/L = ng/dL × 0.0347; ng/dL = nmol/L ÷ 0.0347. Enter values using the units shown next to each input field (e.g. kg, cm, years). Transferrin Saturation (TSAT) Calculator Transferrin Saturation (TSAT) Calculator is a health and wellness calculator that helps you calculate the ratio between two numbers in simplified form. The formula used is: TSAT (%) = Serum Iron ÷ TIBC × 100. Enter values using the units shown next to each input field (e.g. kg, cm, years). Triglycerides Unit Converter (mg/dL ↔ mmol/L) Triglycerides Unit Converter (mg/dL ↔ mmol/L) is a health and wellness calculator that helps you calculate a measurement from one unit to an equivalent in another unit. The formula used is: mmol/L = mg/dL × 0.01129; mg/dL = mmol/L ÷ 0.01129. Enter values using the units shown next to each input field (e.g. kg, cm, years). Urea ↔ BUN Converter Urea ↔ BUN Converter is a health and wellness calculator that helps you calculate a measurement from one unit to an equivalent in another unit. The formula used is: Urea (mmol/L) = BUN (mg/dL) × 0.357; Urea (mg/dL) = BUN (mg/dL) × 2.14. Enter values using the units shown next to each input field (e.g. kg, cm, years). Uric Acid Unit Converter (mg/dL ↔ µmol/L) Uric Acid Unit Converter (mg/dL ↔ µmol/L) is a health and wellness calculator that helps you calculate a measurement from one unit to an equivalent in another unit. The formula used is: µmol/L = mg/dL × 59.48; mg/dL = µmol/L ÷ 59.48. Enter values using the units shown next to each input field (e.g. kg, cm, years). Vitamin B12 Unit Converter (pg/mL ↔ pmol/L) Vitamin B12 Unit Converter (pg/mL ↔ pmol/L) is a health and wellness calculator that helps you calculate a measurement from one unit to an equivalent in another unit. The formula used is: pmol/L = pg/mL × 0.738; pg/mL = pmol/L ÷ 0.738. Enter values using the units shown next to each input field (e.g. kg, cm, years). Vitamin D Unit Converter (ng/mL ↔ nmol/L) Vitamin D Unit Converter (ng/mL ↔ nmol/L) is a health and wellness calculator that helps you calculate a measurement from one unit to an equivalent in another unit. The formula used is: nmol/L = ng/mL × 2.496; ng/mL = nmol/L ÷ 2.496. Enter values using the units shown next to each input field (e.g. kg, cm, years). Winter's Formula Calculator Winter's Formula Calculator is a health and wellness calculator that helps you calculate winter's formula values from your input data. The formula used is: Expected pCO₂ = 1.5 × HCO₃⁻ + 8 (± 2). Enter values using the units shown next to each input field (e.g. kg, cm, years).

ACE Score Calculator The ACE Score Calculator counts your Adverse Childhood Experiences — ten categories of abuse, neglect and household dysfunction before age 18. Answer yes or no to each of the ten questions and the calculator totals your score (0 to 10) with a risk band. A higher ACE score is linked to greater long-term physical and mental health risk, but it is a reflective screening tool, not a diagnosis. Burnout Score Calculator Take a quick self-check for work burnout by rating six common symptoms from never to always. Your answers add up to a 0–24 score that flags low, moderate, or high burnout risk — a screening aid, not a diagnosis. Epworth Sleepiness Scale Calculator Epworth Sleepiness Scale Calculator is a health and wellness calculator that helps you calculate sleep duration, cycles, or bedtime recommendations. The formula used is: Total = sum of eight situations, each rated 0 (never doze) to 3 (high chance).. Enter values using the units shown next to each input field (e.g. kg, cm, years). GAD-7 Anxiety Screening Calculator GAD-7 Anxiety Screening Calculator is a health and wellness calculator that helps you calculate gad-7 anxiety screening values from your input data. The formula used is: Total = sum of seven items, each scored 0 (not at all) to 3 (nearly every day).. Enter values using the units shown next to each input field (e.g. kg, cm, years). Happiness Index Calculator Happiness Index Calculator is a health and wellness calculator that helps you calculate happiness index values from your input data. The formula used is: Total = sum of five items, each scored 1 (strongly disagree) to 7 (strongly agree).. Enter values using the units shown next to each input field (e.g. kg, cm, years). Insomnia Severity Index Calculator Insomnia Severity Index Calculator is a health and wellness calculator that helps you calculate insomnia severity index values from your input data. The formula used is: Total = sum of seven items, each scored 0 to 4.. Enter values using the units shown next to each input field (e.g. kg, cm, years). Loneliness Scale Calculator (UCLA-3) Loneliness Scale Calculator (UCLA-3) is a health and wellness calculator that helps you calculate loneliness scale calculator (ucla-3) values from your input data. The formula used is: Total = sum of three items, each scored 1 (hardly ever) to 3 (often).. Enter values using the units shown next to each input field (e.g. kg, cm, years). Mental Wellbeing Calculator (SWEMWBS) Mental Wellbeing Calculator (SWEMWBS) is a health and wellness calculator that helps you calculate mental wellbeing calculator (swemwbs) values from your input data. The formula used is: Raw total = sum of seven items, each scored 1 (none of the time) to 5 (all of the time).. Enter values using the units shown next to each input field (e.g. kg, cm, years). Perceived Stress Scale (PSS-4) Calculator Perceived Stress Scale (PSS-4) Calculator is a health and wellness calculator that helps you calculate perceived stress scale (pss-4) values from your input data. The formula used is: Score = q1 + (4−q2) + (4−q3) + q4, where items 2 and 3 are reverse-scored.. Enter values using the units shown next to each input field (e.g. kg, cm, years). PHQ-2 Depression Screen Calculator PHQ-2 Depression Screen Calculator is a brief two-item depression screening tool. Total score = item 1 + item 2 (each 0–3); score ≥3 indicates positive screen for depression. Quick preliminary assessment only. PHQ-9 Depression Screening Calculator PHQ-9 Depression Screening Calculator is a health and wellness calculator that helps you calculate pH or pOH from ion concentrations. The formula used is: Total = sum of nine items, each scored 0 (not at all) to 3 (nearly every day).. Enter values using the units shown next to each input field (e.g. kg, cm, years). Resilience Score Calculator Resilience Score Calculator is a health and wellness calculator that helps you calculate academic scores or grade equivalents. The formula used is: Score = average of six items (reverse-scoring the negative ones) on a 1–5 scale.. Enter values using the units shown next to each input field (e.g. kg, cm, years). Self-Esteem Calculator (Rosenberg Scale) Self-Esteem Calculator (Rosenberg Scale) is a health and wellness calculator that helps you calculate self-esteem calculator (rosenberg scale) values from your input data. The formula used is: Total = sum of ten items (reverse-scoring items 3, 5, 8, 9, 10), each 0–3.. Enter values using the units shown next to each input field (e.g. kg, cm, years). WHO-5 Well-Being Index Calculator WHO-5 Well-Being Index Calculator is a health and wellness calculator that helps you calculate who-5 well-being index values from your input data. The formula used is: Percentage = raw score (0–25) × 4, giving a 0–100 well-being scale.. Enter values using the units shown next to each input field (e.g. kg, cm, years). Work-Life Balance Calculator Work-Life Balance Calculator is a health and wellness calculator that helps you calculate work-life balance values from your input data. The formula used is: Compares work hours and personal time to the 168 hours in a week.. Enter values using the units shown next to each input field (e.g. kg, cm, years).

ACFT Score Calculator (Simplified) This simplified ACFT calculator gives a rough fitness estimate from three Army Combat Fitness Test events: the 3-rep-max deadlift, the standing power throw and the sprint-drag-carry. Enter your results and it returns a combined score where stronger lifts and throws and faster carries push the number up. It is an unofficial training estimate, not the official six-event ACFT scoring.

Acid-Base (ABG) Calculator This acid-base calculator classifies an arterial blood gas (ABG) as acidemia, alkalemia or normal based on blood pH. Enter the pH, along with pCO2 and bicarbonate (HCO3-) for context, and it flags whether the blood is too acidic, too alkaline or within the normal 7.35-7.45 range. The pCO2 and HCO3- values help you reason about whether the cause is respiratory or metabolic.

Active Energy Expenditure Calculator Active energy expenditure (AEE) is the calories you burn through movement and activity, on top of the calories your body uses at rest. Enter your basal metabolic rate (BMR) and choose your activity level, and the calculator returns your active calories, your total daily energy expenditure (TDEE), and your resting burn. It is the activity slice of your daily calorie needs.

Adderall Dosage Calculator The Adderall Dosage Calculator gives a rough, weight-based reference for typical starting daily amphetamine doses used for ADHD, based on the commonly cited 0.2–0.5 mg per kg per day range. It is for general education only and is not medical advice. Actual dosing must be set and adjusted by a prescribing clinician.

Adjusted Age Calculator The Adjusted (corrected) Age Calculator works out a premature baby's developmental age by subtracting the months of prematurity from their chronological age. Adjusted age is used to assess growth and milestones more fairly during roughly the first two years. It is an educational tool, not medical advice. ETT Size Calculator (Pediatric) The ETT Size Calculator estimates the endotracheal tube size and insertion depth for a child from age, using standard formulas. For clinical education only. Newborn Jaundice Assessment Assess neonatal hyperbilirubinemia risk using serum bilirubin levels. Thresholds vary by age (hours) and risk category. Phototherapy decisions based on AAP guidelines. Educational reference; consult pediatrician. Pediatric Blood Transfusion Calculator Calculate pediatric PRBC transfusion volume. Formula: Volume (mL) = Body Weight (kg) × Desired Hgb increase (g/dL) × 3. Clinical reference only; consult pediatric hematology.

Adrenal Washout (CT) Calculator The Adrenal Washout Calculator works out the absolute and relative contrast washout of an adrenal nodule from CT attenuation values (in Hounsfield units). High washout is characteristic of a benign adrenal adenoma. Enter the unenhanced, enhanced (portal venous), and delayed HU values. Doppler Resistive Index Calculator The Doppler Resistive Index Calculator computes the resistive index (RI) from peak systolic velocity and end-diastolic velocity, used in vascular and renal ultrasound. For clinical education only. TI-RADS Scoring Thyroid Imaging Reporting and Data System (TI-RADS) for ultrasound nodule assessment. Guides follow-up recommendations.

Age-Adjusted D-Dimer Calculator Age-Adjusted D-Dimer Calculator is a health and wellness calculator that helps you calculate the age-adjusted D-dimer cutoff and compare it with a measured value. The formula used is: For age > 50: cutoff = Age × 10 µg/L FEU; otherwise the conventional 500 µg/L cutoff applies. Enter the patient's age in years and the measured D-dimer in µg/L (FEU). Blood Donation Due Date Calculator Blood Donation Due Date Calculator is a health and wellness calculator that helps you find the next date you are eligible to donate based on your last donation and donation type. The formula used is: Next eligible date = Last donation + waiting interval (whole blood 56 days, double red 112, platelets 7, plasma 28). Pick your last donation date and the type of donation. Blood Donor Eligibility Check whether you likely meet the basic requirements to donate blood, based on weight, age, and hemoglobin level. CAGE Questionnaire Calculator Score the four-item CAGE questionnaire, a quick screen for problematic alcohol use. Answer each question Yes or No — a total of 2 or more is considered a positive screen that warrants a fuller clinical assessment. Diabetes Risk Assessment Screen for type 2 diabetes risk factors. BMI, age, family history. Fagerström Test for Nicotine Dependence Fagerström Test for Nicotine Dependence is a health and wellness calculator that helps you score the six-item Fagerström Test for Nicotine Dependence. The formula used is: Total = sum of item points (0–10): 0–2 very low, 3–4 low, 5 medium, 6–7 high, 8–10 very high dependence. Answer the six questions about your smoking habits.

Albumin-to-Creatinine Ratio (ACR) Calculator The urine albumin-to-creatinine ratio (ACR) screens for early kidney damage by comparing albumin to creatinine in a urine sample. Enter your urine albumin and creatinine, and the calculator returns the ACR in mg/g with its category — normal, microalbuminuria or macroalbuminuria. A rising ACR is one of the earliest signs of kidney disease, especially in diabetes and high blood pressure.

Alcohol Calories Calculator The Alcohol Calories Calculator estimates how many calories come from the pure alcohol in a drink. Alcohol provides about 7 kcal per gram: grams = volume × ABV% × 0.789, then calories = grams × 7. Alcohol Units Calculator The Alcohol Units Calculator converts any drink into UK alcohol units and US standard drinks. UK units = volume (mL) × ABV ÷ 1000, and a US standard drink is 14 g of pure alcohol. Calcium Intake (RDA) Calculator Find your recommended daily calcium intake (RDA). Pick your age and life-stage group and this calculator returns the daily calcium target in milligrams, based on the Dietary Reference Intakes used by health authorities. Calcium keeps your bones and teeth strong and supports muscle and nerve function. Creatine Dose Calculator Creatine Dose Calculator is a health and wellness calculator that helps you calculate creatine dose values from your input data. The formula used is: Maintenance ≈ 0.03 g/kg/day (min 3 g); loading ≈ 0.3 g/kg/day for 5–7 days. Enter values using the units shown next to each input field (e.g. kg, cm, years). Folate Intake (RDA) Calculator Check the recommended daily folate (RDA) intake for your life stage. Adults: 400 mcg DFE; children: 200 mcg DFE; pregnancy: 600 mcg DFE; breastfeeding: 500 mcg DFE. DFE = dietary folate equivalent (accounts for synthetic folic acid absorption). Iodine Intake (RDA) Calculator Iodine Intake (RDA) Calculator is a health and wellness calculator that helps you calculate iodine intake (rda) values from your input data. The formula used is: RDA from standard dietary reference intakes (mcg/day). Enter values using the units shown next to each input field (e.g. kg, cm, years). Magnesium Intake (RDA) Calculator Magnesium Intake (RDA) Calculator is a health and wellness calculator that helps you calculate magnesium intake (rda) values from your input data. The formula used is: RDA from standard dietary reference intakes (mg/day). Enter values using the units shown next to each input field (e.g. kg, cm, years). Meal Calorie Distribution Calculator Meal Calorie Distribution Calculator is a health and wellness calculator that helps you calculate calorie values based on body data or activity level. The formula used is: Meal calories = daily calories × meal share% ÷ 100. Enter values using the units shown next to each input field (e.g. kg, cm, years). Omega-3 Intake Calculator Omega-3 Intake Calculator is a health and wellness calculator that helps you calculate omega-3 intake values from your input data. The formula used is: ALA Adequate Intake from standard dietary reference intakes (g/day). Enter values using the units shown next to each input field (e.g. kg, cm, years). ORS (Oral Rehydration Solution) Calculator ORS (Oral Rehydration Solution) Calculator is a health and wellness calculator that helps you calculate the ratio between two numbers in simplified form. The formula used is: Per 1 litre clean water: 6 level tsp sugar + ½ level tsp salt. Enter values using the units shown next to each input field (e.g. kg, cm, years). Phosphorus Intake (RDA) Calculator Phosphorus Intake (RDA) Calculator shows recommended daily phosphorus intake based on age and life stage. Formula: RDA from standard dietary reference intakes (mg/day). Adults: 700mg/day. Potassium Intake (AI) Calculator Potassium Intake (AI) Calculator is a health and wellness calculator that helps you calculate potassium intake (ai) values from your input data. The formula used is: Adequate Intake from standard dietary reference intakes (mg/day). Enter values using the units shown next to each input field (e.g. kg, cm, years). Protein Per Meal Calculator Protein Per Meal Calculator is a health and wellness calculator that helps you calculate protein per meal values from your input data. The formula used is: Per meal = (weight × g/kg) ÷ meals. Enter values using the units shown next to each input field (e.g. kg, cm, years). Selenium Intake (RDA) Calculator Selenium Intake (RDA) Calculator is a health and wellness calculator that helps you calculate selenium intake (rda) values from your input data. The formula used is: RDA from standard dietary reference intakes (mcg/day). Enter values using the units shown next to each input field (e.g. kg, cm, years). Sodium Intake Limit Calculator Sodium Intake Limit Calculator is a health and wellness calculator that helps you calculate sodium intake limit values from your input data. The formula used is: Salt (g) = sodium (mg) × 2.5 ÷ 1000. Enter values using the units shown next to each input field (e.g. kg, cm, years). Sweat Rate Calculator Sweat Rate Calculator is a health and wellness calculator that helps you calculate sweat rate values from your input data. The formula used is: Sweat (ml) = (weight before − weight after) × 1000 + fluid drunk; rate = sweat ÷ hours. Enter values using the units shown next to each input field (e.g. kg, cm, years). Vitamin A Intake (RDA) Calculator Vitamin A Intake (RDA) Calculator is a health and wellness calculator that helps you calculate vitamin a intake (rda) values from your input data. The formula used is: RDA from standard dietary reference intakes (mcg RAE/day). Enter values using the units shown next to each input field (e.g. kg, cm, years). Vitamin B12 Intake (RDA) Calculator Vitamin B12 Intake (RDA) Calculator is a health and wellness calculator that helps you calculate vitamin b12 intake (rda) values from your input data. The formula used is: RDA from standard dietary reference intakes (mcg/day). Enter values using the units shown next to each input field (e.g. kg, cm, years). Vitamin C Intake (RDA) Calculator Vitamin C Intake (RDA) Calculator is a health and wellness calculator that helps you calculate vitamin c intake (rda) values from your input data. The formula used is: RDA from standard dietary reference intakes (mg/day). Enter values using the units shown next to each input field (e.g. kg, cm, years). Vitamin D Intake (RDA) Calculator Vitamin D Intake (RDA) Calculator is a health and wellness calculator that helps you calculate vitamin d intake (rda) values from your input data. The formula used is: RDA from standard dietary reference intakes (IU/day); 40 IU = 1 mcg. Enter values using the units shown next to each input field (e.g. kg, cm, years). Vitamin E Intake (RDA) Calculator Vitamin E Intake (RDA) Calculator is a health and wellness calculator that helps you calculate vitamin e intake (rda) values from your input data. The formula used is: RDA from standard dietary reference intakes (mg/day). Enter values using the units shown next to each input field (e.g. kg, cm, years). Zinc Intake (RDA) Calculator Zinc Intake (RDA) Calculator is a health and wellness calculator that helps you calculate zinc intake (rda) values from your input data. The formula used is: RDA from standard dietary reference intakes (mg/day). Enter values using the units shown next to each input field (e.g. kg, cm, years).

Aldrete Score Calculator The Aldrete Score Calculator adds up the five post-anesthesia recovery criteria — activity, respiration, circulation, consciousness and oxygenation — each scored 0 to 2, to assess whether a patient is ready for discharge from the recovery room. A total of 9 or more usually indicates readiness.

Aleve (Naproxen) Dosage Calculator The Aleve (Naproxen Sodium) Dosage Calculator adds up your total daily naproxen sodium intake from the tablet strength and number of doses, and flags whether it stays within the 660 mg over-the-counter daily limit for adults.

Alvarado Score Calculator The Alvarado Score Calculator adds up the eight MANTRELS clinical and lab findings to estimate the likelihood of acute appendicitis. The total ranges from 0 to 10, with higher scores indicating a greater probability.

Alzheimer's Life Expectancy Calculator The Alzheimer's Life Expectancy Calculator gives a rough estimate of average survival after an Alzheimer's diagnosis, based on age at diagnosis and sex. Survival tends to be longer for those diagnosed younger and slightly longer for women.

Ambulance Cost Estimator (Pakistan) The Ambulance Cost Estimator gives you an indicative price for ambulance transport in Pakistan based on distance and the type of vehicle. It adds a fixed base charge to a per-kilometre rate that varies between charity, basic private, and ICU/ventilator ambulances. The formula used is: cost = base charge + distance × per-km rate. Baby Formula Cost Calculator The Baby Formula Cost Calculator estimates how much you'll spend on infant formula each month. Enter how many grams of powder your baby uses per day, the size of a tin, and its price, and it works out how many tins you'll need per month and the total monthly cost. It's a quick way to budget for formula feeding and compare brands or tin sizes. BMI Insurance Premium Loading Calculator Estimate how your BMI could raise a health or life insurance premium. Enter your weight, height, and base premium, and this calculator works out your BMI, an illustrative loading percentage, and the loaded premium. Critical Illness Cover Calculator Critical Illness Cover Calculator is a health and wellness calculator that helps you calculate critical illness cover values from your input data. The formula used is: Cover = expected treatment cost + (monthly income × recovery months). Enter values using the units shown next to each input field (e.g. kg, cm, years). Dialysis Cost Calculator (Pakistan) Dialysis Cost Calculator (Pakistan) is a health and wellness calculator that helps you calculate dialysis cost calculator (pakistan) values from your input data. The formula used is: Weekly = session cost × sessions/week; Monthly = weekly × 4.33; Yearly = weekly × 52. Enter values using the units shown next to each input field (e.g. kg, cm, years). Diaper Cost Calculator Diaper Cost Calculator is a health and wellness calculator that helps you calculate diaper cost values from your input data. The formula used is: Per diaper = pack price ÷ pack count; Monthly = per diaper × per day × 30. Enter values using the units shown next to each input field (e.g. kg, cm, years). Doctor Visit Budget Calculator Doctor Visit Budget Calculator is a health and wellness calculator that helps you calculate doctor visit budget values from your input data. The formula used is: Monthly = fee × visits/month × family members; Yearly = monthly × 12. Enter values using the units shown next to each input field (e.g. kg, cm, years). Elderly Home Care Cost Estimator (Pakistan) Elderly Home Care Cost Estimator (Pakistan) is a health and wellness calculator that helps you calculate elderly home care cost estimator (pakistan) values from your input data. The formula used is: Monthly = attendant + medicines + supplies + doctor/tests. Enter values using the units shown next to each input field (e.g. kg, cm, years). Health Emergency Fund Calculator Health Emergency Fund Calculator is a health and wellness calculator that helps you calculate health emergency fund values from your input data. The formula used is: Target = monthly health spend × buffer months; Months to save = target ÷ monthly saving. Enter values using the units shown next to each input field (e.g. kg, cm, years). Health Insurance Premium Estimator (Pakistan) Health Insurance Premium Estimator (Pakistan) is a health and wellness calculator that helps you calculate health insurance premium estimator (pakistan) values from your input data. The formula used is: Premium ≈ 3.5% of cover × age factor × (1 + 0.7 × extra members). Enter values using the units shown next to each input field (e.g. kg, cm, years). Hospital Bill Estimator (Pakistan) Hospital Bill Estimator (Pakistan) is a health and wellness calculator that helps you calculate hospital bill estimator (pakistan) values from your input data. The formula used is: Estimated cost = baseline procedure cost × hospital tier factor. Enter values using the units shown next to each input field (e.g. kg, cm, years). Insurance Claim Payout Estimator Insurance Claim Payout Estimator is a health and wellness calculator that helps you calculate insurance claim payout estimator values from your input data. The formula used is: Payout = min((Bill − Deductible) × (1 − Co-pay), Policy Limit). Enter values using the units shown next to each input field (e.g. kg, cm, years). IVF Cost Estimator (Pakistan) IVF Cost Estimator (Pakistan) is a health and wellness calculator that helps you calculate ivf cost estimator (pakistan) values from your input data. The formula used is: Total = (clinic fee + medication) × number of cycles. Enter values using the units shown next to each input field (e.g. kg, cm, years). Lab Test Cost Estimator (Pakistan) Lab Test Cost Estimator (Pakistan) is a health and wellness calculator that helps you calculate lab test cost estimator (pakistan) values from your input data. The formula used is: Estimated cost = per-test price × number of tests. Enter values using the units shown next to each input field (e.g. kg, cm, years). Life Insurance Cover Needed Calculator Life Insurance Cover Needed Calculator is a health and wellness calculator that helps you calculate life insurance cover needed values from your input data. The formula used is: Cover = (annual income × years) + debts − existing savings & cover. Enter values using the units shown next to each input field (e.g. kg, cm, years). Maternity & Delivery Cost Estimator (Pakistan) Maternity & Delivery Cost Estimator (Pakistan) is a health and wellness calculator that helps you calculate maternity & delivery cost estimator (pakistan) values from your input data. The formula used is: Total = (delivery + visits × visit fee + tests) × hospital tier factor. Enter values using the units shown next to each input field (e.g. kg, cm, years). Monthly Medicine Budget Calculator Monthly Medicine Budget Calculator is a health and wellness calculator that helps you calculate monthly medicine budget values from your input data. The formula used is: Monthly = daily cost × 30 + other monthly costs. Enter values using the units shown next to each input field (e.g. kg, cm, years). Newborn Vaccination Cost Estimator (Pakistan) Newborn Vaccination Cost Estimator (Pakistan) is a health and wellness calculator that helps you calculate newborn vaccination cost estimator (pakistan) values from your input data. The formula used is: Total = doses × cost per dose + visits × visit fee. Enter values using the units shown next to each input field (e.g. kg, cm, years). Physiotherapy Cost Estimator Physiotherapy Cost Estimator is a health and wellness calculator that helps you calculate pH or pOH from ion concentrations. The formula used is: Total = fee × (sessions/week × weeks). Enter values using the units shown next to each input field (e.g. kg, cm, years). Sehat Card Coverage Checker Sehat Card Coverage Checker is a health and wellness calculator that helps you calculate your remaining Sehat Card treatment coverage from your limit and amount used. The formula used is: Available = Limit − Used; Covered = min(Treatment, Available). Enter values using the units shown next to each input field (e.g. kg, cm, years).

Amniotic Fluid Index (AFI) Calculator Amniotic Fluid Index (AFI) Calculator adds the deepest vertical fluid pocket measured in each of the four quadrants of the uterus to estimate how much amniotic fluid surrounds the baby. The formula used is: AFI = Q1 + Q2 + Q3 + Q4. Enter each quadrant depth in centimetres. APGAR Score Calculator The APGAR Score Calculator assesses a newborn's condition right after birth using five signs: Appearance, Pulse, Grimace, Activity, and Respiration. Each is scored 0–2 and added for a total out of 10. The formula used is: APGAR = Appearance + Pulse + Grimace + Activity + Respiration (each 0–2, max 10). Birthweight Percentile Calculator Estimate where a baby's birth weight falls on a growth chart. Enter the birth weight along with the reference mean and standard deviation for the baby's gestational age and sex, and this calculator returns the z-score and the corresponding percentile. Bishop Score Calculator Score cervical readiness for labour induction. Select the cervix's dilation, effacement, consistency, and position along with fetal station, and this calculator adds them into a Bishop score (0–13) and flags whether induction is likely to succeed. Blood Pregnancy Test (hCG) Calculator Track how your blood pregnancy test (quantitative beta-hCG) is changing between two draws. Enter your two hCG values and the hours between them, and this calculator returns the doubling time and the percentage rise. Breastfeeding Calorie Calculator Estimate how many calories you need each day while breastfeeding. Enter your maintenance calories (TDEE) and choose your nursing level to see your total daily target, the extra calories for milk production, and a gentle weight-loss option. Chinese Gender Predictor Chinese Gender Predictor is a health and wellness calculator that helps you calculate chinese gender predictor values from your input data. The formula used is: Traditional Chinese gender calendar chart (mother's lunar age × conception month).. Enter values using the units shown next to each input field (e.g. kg, cm, years). Conception Date Calculator Conception Date Calculator is a health and wellness calculator that helps you calculate date differences, days between dates, or future/past dates. The formula used is: From LMP: Conception = LMP + 14 days (cycle-adjusted)\nFrom due date: Conception = Due date − 266 days. Enter values using the units shown next to each input field (e.g. kg, cm, years). Due Date by Ultrasound (CRL) Due Date by Ultrasound (CRL) is a health and wellness calculator that helps you calculate date differences, days between dates, or future/past dates. The formula used is: GA (days) = 8.052 × √CRL + 23.73 (Robinson-Fleming, CRL in mm)\nEDD = scan date + (280 − GA days). Enter values using the units shown next to each input field (e.g. kg, cm, years). Due Date Calculator Due Date Calculator is a health and wellness calculator that helps you calculate date differences, days between dates, or future/past dates. The formula used is: EDD = LMP + 280 days (adjusted for cycle length)\nConception ≈ LMP + 14 days. Enter values using the units shown next to each input field (e.g. kg, cm, years). Estimated Fetal Weight Calculator Estimated Fetal Weight Calculator is a health and wellness calculator that helps you calculate weight values or weight conversions between unit systems. The formula used is: Hadlock (1985): log₁₀(EFW) = 1.3596 − 0.00386·AC·FL + 0.0064·HC + 0.00061·BPD·AC + 0.0424·AC + 0.174·FL. Enter values using the units shown next to each input field (e.g. kg, cm, years). Fertile Window Calculator Fertile Window Calculator is a health and wellness calculator that helps you calculate material quantities needed for a construction or renovation task. The formula used is: Fertile window = (Ovulation − 5 days) to (Ovulation + 1 day)\nOvulation = LMP + (cycle length − 14). Enter values using the units shown next to each input field (e.g. kg, cm, years). Fetal Kick Count Calculator Fetal Kick Count Calculator is a health and wellness calculator that helps you calculate a pregnancy or fetal development metric. The formula used is: Count the time taken to feel 10 distinct movements (count-to-ten method).. Enter values using the units shown next to each input field (e.g. kg, cm, years). Gestational Age Calculator Gestational Age Calculator is a health and wellness calculator that helps you calculate gestational age in weeks and days from the last menstrual period (LMP). The formula used is: Gestational age = (as-of date − LMP) in weeks and days. Enter values using the units shown next to each input field (e.g. kg, cm, years). hCG Doubling Time Calculator hCG Doubling Time Calculator is a health and wellness calculator that helps you calculate hcg doubling time values from your input data. The formula used is: Doubling time = (hours × ln 2) ÷ ln(hCG₂ ÷ hCG₁). Enter values using the units shown next to each input field (e.g. kg, cm, years). Implantation Date Calculator Implantation Date Calculator is a health and wellness calculator that helps you calculate date differences, days between dates, or future/past dates. The formula used is: Implantation window = Ovulation + 6 to 12 days\nLikely implantation = Ovulation + 9 days. Enter values using the units shown next to each input field (e.g. kg, cm, years). IVF Due Date Calculator IVF Due Date Calculator is a health and wellness calculator that helps you calculate date differences, days between dates, or future/past dates. The formula used is: EDD = Transfer date + 266 days − embryo age\nDay-5 transfer: EDD = transfer + 261 days. Enter values using the units shown next to each input field (e.g. kg, cm, years). Ovulation Calculator Ovulation Calculator is a health and wellness calculator that helps you calculate ovulation values from your input data. The formula used is: Ovulation day = cycle length − luteal phase\nFertile window = ovulation − 5 days to ovulation + 1 day. Enter values using the units shown next to each input field (e.g. kg, cm, years). Pregnancy Calorie Calculator Pregnancy Calorie Calculator is a health and wellness calculator that helps you calculate calorie values based on body data or activity level. The formula used is: Total = Pre-pregnancy maintenance + trimester allowance\nT1: +0, T2: +340, T3: +450 kcal/day. Enter values using the units shown next to each input field (e.g. kg, cm, years). Pregnancy Countdown Calculator Pregnancy Countdown Calculator is a health and wellness calculator that helps you calculate a pregnancy or fetal development metric. The formula used is: Days left = Due date − today. Enter values using the units shown next to each input field (e.g. kg, cm, years). Pregnancy Test Date Calculator Pregnancy Test Date Calculator is a health and wellness calculator that helps you calculate date differences, days between dates, or future/past dates. The formula used is: Reliable test date = Ovulation + 14 days (around expected period). Enter values using the units shown next to each input field (e.g. kg, cm, years). Pregnancy Trimester Calculator Pregnancy Trimester Calculator is a health and wellness calculator that helps you calculate a pregnancy or fetal development metric. The formula used is: Gestational age = today − LMP (in weeks)\nT1: weeks 1–12, T2: weeks 13–26, T3: weeks 27–40. Enter values using the units shown next to each input field (e.g. kg, cm, years). Pregnancy Weight Gain Calculator Pregnancy Weight Gain Calculator is a health and wellness calculator that helps you calculate weight values or weight conversions between unit systems. The formula used is: BMI = weight (kg) ÷ height² (m)\nWeight gain range set by IOM based on BMI category.. Enter values using the units shown next to each input field (e.g. kg, cm, years).

Amoxicillin Dosage Calculator The Amoxicillin Dosage Calculator estimates the daily and per-dose amount of amoxicillin from a patient's weight. It multiplies weight by the prescribed milligrams per kilogram per day, then divides by the number of doses per day. The formula used is: daily dose = weight × mg/kg/day; per dose = daily dose ÷ doses per day. Amoxicillin Pediatric Dosage Calculator The Amoxicillin Pediatric Dosage Calculator estimates a child's daily and per-dose amoxicillin requirement from body weight. It multiplies weight by the prescribed milligrams per kilogram per day, then divides the daily total by the number of doses. The formula used is: daily dose = weight × mg/kg/day; per dose = daily dose ÷ doses per day. BSA Dosage Calculator Calculate a body-surface-area-based medication dose from a patient's height, weight, and the prescribed dose per square metre. The calculator finds the BSA with the Mosteller formula and multiplies it by the mg/m² dose. Clark's Rule Calculator Clark's Rule Calculator is a health and wellness calculator that helps you calculate clark's rule values from your input data. The formula used is: Child dose = adult dose × (weight in lb / 150). Enter values using the units shown next to each input field (e.g. kg, cm, years). Concentration Dilution Calculator (C1V1=C2V2) Concentration Dilution Calculator (C1V1=C2V2) is a health and wellness calculator that helps you calculate the ratio between two numbers in simplified form. The formula used is: V1 = C2 × V2 / C1; diluent = V2 − V1. Enter values using the units shown next to each input field (e.g. kg, cm, years). Corticosteroid Conversion Calculator Corticosteroid Conversion Calculator is a health and wellness calculator that helps you calculate a measurement from one unit to an equivalent in another unit. The formula used is: Equivalent dose = dose × (target equivalence / source equivalence). Enter values using the units shown next to each input field (e.g. kg, cm, years). Dilution Ratio Calculator Dilution Ratio Calculator is a health and wellness calculator that helps you calculate the ratio between two numbers in simplified form. The formula used is: Fold dilution = final volume / stock volume; solute : diluent = 1 : (final − stock)/stock. Enter values using the units shown next to each input field (e.g. kg, cm, years). Drug Half-Life Calculator Drug Half-Life Calculator is a health and wellness calculator that helps you calculate drug half-life values from your input data. The formula used is: Remaining = initial × 0.5^(time / half-life); ~5 half-lives ≈ full elimination. Enter values using the units shown next to each input field (e.g. kg, cm, years). Fried's Rule Calculator Fried's Rule is a pediatric dosing formula to calculate safe medication doses for infants (under 1 year). Enter the adult dose and infant age in months to estimate the appropriate infant dose. Gentamicin Dose Calculator Gentamicin Dose Calculator is a health and wellness calculator that helps you calculate gentamicin dose values from your input data. The formula used is: Dose = weight × mg/kg (commonly 5–7 mg/kg once daily). Enter values using the units shown next to each input field (e.g. kg, cm, years). Heparin Dose Calculator Heparin Dose Calculator is a health and wellness calculator that helps you calculate heparin dose values from your input data. The formula used is: Bolus = weight × units/kg; infusion = weight × units/kg/hr. Enter values using the units shown next to each input field (e.g. kg, cm, years). Ibuprofen Dosage Calculator Ibuprofen Dosage Calculator is a health and wellness calculator that helps you calculate a weight-based ibuprofen dose and its daily maximum. The formula used is: Per dose = 10 mg/kg (max 400 mg); daily max = 40 mg/kg (max 1,200 mg OTC). Enter values using the units shown next to each input field (e.g. kg, cm, years). IV Drip Rate Calculator IV Drip Rate Calculator is a health and wellness calculator that helps you calculate iv drip rate values from your input data. The formula used is: Drip rate (gtt/min) = volume (mL) × drop factor (gtt/mL) / time (min). Enter values using the units shown next to each input field (e.g. kg, cm, years). IV Flow Rate Calculator IV Flow Rate Calculator is a health and wellness calculator that helps you calculate iv flow rate values from your input data. The formula used is: Flow rate (mL/hr) = volume (mL) / time (hours). Enter values using the units shown next to each input field (e.g. kg, cm, years). IV Infusion Time Calculator IV Infusion Time Calculator is a health and wellness calculator that helps you calculate iv infusion time values from your input data. The formula used is: Time (hours) = volume (mL) / flow rate (mL/hr). Enter values using the units shown next to each input field (e.g. kg, cm, years). Loading Dose Calculator Loading Dose Calculator is a health and wellness calculator that helps you calculate loading dose values from your input data. The formula used is: Loading dose = (Vd × target concentration) / bioavailability. Enter values using the units shown next to each input field (e.g. kg, cm, years). Maintenance Dose Calculator Maintenance Dose Calculator is a health and wellness calculator that helps you calculate maintenance dose values from your input data. The formula used is: Dosing rate = (clearance × target Css) / bioavailability. Enter values using the units shown next to each input field (e.g. kg, cm, years). Maintenance Fluid Calculator (4-2-1 Rule) Maintenance Fluid Calculator (4-2-1 Rule) is a health and wellness calculator that helps you calculate maintenance fluid calculator (4-2-1 rule) values from your input data. The formula used is: 4 mL/kg/hr for first 10 kg + 2 mL/kg/hr for next 10 kg + 1 mL/kg/hr beyond 20 kg. Enter values using the units shown next to each input field (e.g. kg, cm, years). mcg to mg Calculator mcg to mg Calculator is a health and wellness calculator that helps you calculate mcg to mg values from your input data. The formula used is: mg = mcg / 1000. Enter values using the units shown next to each input field (e.g. kg, cm, years). mcg/kg/min Infusion Rate Calculator mcg/kg/min Infusion Rate Calculator is a health and wellness calculator that helps you calculate mcg/kg/min infusion rate values from your input data. The formula used is: Rate (mL/hr) = dose (mcg/kg/min) × weight × 60 / concentration (mcg/mL). Enter values using the units shown next to each input field (e.g. kg, cm, years). mg to mcg Calculator mg to mcg Calculator is a health and wellness calculator that helps you calculate mg to mcg values from your input data. The formula used is: mcg = mg × 1000. Enter values using the units shown next to each input field (e.g. kg, cm, years). mg to mL Calculator mg to mL Calculator is a health and wellness calculator that helps you calculate mg to ml values from your input data. The formula used is: Volume (mL) = dose (mg) / concentration (mg/mL). Enter values using the units shown next to each input field (e.g. kg, cm, years). mL to mg Calculator mL to mg Calculator is a health and wellness calculator that helps you calculate ml to mg values from your input data. The formula used is: Dose (mg) = volume (mL) × concentration (mg/mL). Enter values using the units shown next to each input field (e.g. kg, cm, years). Opioid Conversion Calculator (MME) Opioid Conversion Calculator (MME) is a health and wellness calculator that helps you calculate a measurement from one unit to an equivalent in another unit. The formula used is: MME/day = total daily dose × opioid conversion factor. Enter values using the units shown next to each input field (e.g. kg, cm, years). Paracetamol Dosage Calculator Paracetamol Dosage Calculator is a health and wellness calculator that helps you calculate a weight-based paracetamol dose and its daily maximum. The formula used is: Per dose = 15 mg/kg (max 1,000 mg); daily max = 60 mg/kg (max 4,000 mg). Enter values using the units shown next to each input field (e.g. kg, cm, years). Parkland Formula Calculator Parkland Formula Calculator is a health and wellness calculator that helps you calculate parkland formula values from your input data. The formula used is: Total = 4 mL × weight (kg) × %TBSA; half over first 8 h from the time of the burn. Enter values using the units shown next to each input field (e.g. kg, cm, years). Pediatric Dosage Calculator Pediatric Dosage Calculator is a health and wellness calculator that helps you calculate a pediatric medication dose from body weight and mg/kg per day. The formula used is: Daily dose = weight × mg/kg/day; per dose = daily / doses per day. Enter values using the units shown next to each input field (e.g. kg, cm, years). Tablets Needed Calculator Tablets Needed Calculator is a health and wellness calculator that helps you calculate tablets needed values from your input data. The formula used is: Tablets = required dose / tablet strength. Enter values using the units shown next to each input field (e.g. kg, cm, years). Vancomycin Dose Calculator Vancomycin Dose Calculator is a health and wellness calculator that helps you calculate vancomycin dose values from your input data. The formula used is: Per dose = weight × mg/kg; daily = per dose × (24 / interval). Enter values using the units shown next to each input field (e.g. kg, cm, years). Weight-Based Dosage Calculator Weight-Based Dosage Calculator is a health and wellness calculator that helps you calculate a weight-based medication dose and daily total. The formula used is: Dose = weight × dose per kg; daily = dose × doses per day. Enter values using the units shown next to each input field (e.g. kg, cm, years). Young's Rule Calculator Young's Rule Calculator is a health and wellness calculator that helps you calculate young's rule values from your input data. The formula used is: Child dose = adult dose × age / (age + 12). Enter values using the units shown next to each input field (e.g. kg, cm, years).

Anaerobic Threshold Calculator The Anaerobic Threshold Calculator estimates the heart rate and running pace at which your body shifts from mainly aerobic to anaerobic energy production. It applies the Karvonen heart-rate reserve method at 85% intensity and approximates threshold pace from your current 10K pace. The formula used is: AT HR = resting HR + (max HR − resting HR) × 0.85; AT pace ≈ 10K pace × 1.05. Bench Press Calculator Estimate your one-rep max (1RM) bench press from a set you've completed, using the Epley formula, and see how it compares to your bodyweight. Enter the weight lifted, the number of reps and your bodyweight to get your estimated 1RM, strength level, and useful training percentages. BMI & Fitness Level Calculator Calculate your BMI and estimate your fitness level from body fat. Enter your weight, height, age, and sex, and this calculator returns your BMI, an estimated body-fat percentage using the Deurenberg formula, and a fitness category. Calories Burned Calculator Estimate how many calories you burn during exercise using MET values. Enter your weight, the activity's MET value, and how long you exercised, and this calculator returns the calories burned, the burn rate per minute, and the intensity level. Cycling Calorie Calculator Cycling Calorie Calculator is a health and wellness calculator that helps you calculate calorie values based on body data or activity level. The formula used is: MET: <16 km/h=4, 16–19=6, 20–23=8, 24–27=10, >27=12; Calories = MET × Weight × Duration (h). Enter values using the units shown next to each input field (e.g. kg, cm, years). Cycling Power Zones Calculator Cycling Power Zones Calculator is a health and wellness calculator that helps you calculate power output from energy and time. The formula used is: Zone Watts = FTP × Zone % Range. Enter values using the units shown next to each input field (e.g. kg, cm, years). Daily Protein Intake Calculator Daily Protein Intake Calculator is a health and wellness calculator that helps you calculate daily protein intake values from your input data. The formula used is: Daily Protein (g) = Weight (kg) × Goal Factor (g/kg); Calories = Protein × 4. Enter values using the units shown next to each input field (e.g. kg, cm, years). Daily Steps Goal Calculator Daily Steps Goal Calculator is a health and wellness calculator that helps you calculate daily steps goal values from your input data. The formula used is: Stride (m) = Height × 0.414 / 100; Distance (km) = Steps × Stride / 1000; Calories ≈ Distance × 65 kcal/km. Enter values using the units shown next to each input field (e.g. kg, cm, years). Daily Water Intake Calculator Daily Water Intake Calculator is a health and wellness calculator that helps you calculate the ratio between two numbers in simplified form. The formula used is: Base = Weight × 35 mL; + Activity addition (0–700 mL) + Climate addition (0–400 mL). Enter values using the units shown next to each input field (e.g. kg, cm, years). Exercise & Calorie Deficit Calculator Exercise & Calorie Deficit Calculator is a health and wellness calculator that helps you calculate calorie values based on body data or activity level. The formula used is: Current Deficit = Burn − Intake; Required Deficit = (Weekly Loss × 7700) ÷ 7; Weeks = (Goal kg × 7700) ÷ (Current Deficit × 7). Enter values using the units shown next to each input field (e.g. kg, cm, years). Fat Burning Heart Rate Zone Calculator Fat Burning Heart Rate Zone Calculator is a health and wellness calculator that helps you calculate fat burning heart rate zone values from your input data. The formula used is: Max HR = 220 − Age; Fat Burn Zone = Resting HR + HRR × 50–70%; Cardio = 70–85%. Enter values using the units shown next to each input field (e.g. kg, cm, years). Fitness Age Calculator Fitness Age Calculator is a health and wellness calculator that helps you calculate your fitness age from your VO2 max compared with the average for your age. The formula used is: Fitness Age = Chronological Age − (VO2 Max − Average VO2 Max for Age) × 0.5. Enter values using the units shown next to each input field (e.g. kg, cm, years). Healthy Body Weight Calculator Find your healthy or ideal body weight from your height using the Hamwi formula and the BMI 18.5–25 range. Enter your height, age, and gender to see a target weight and a healthy weight range. Healthy Weight Range (BMI) Calculator Calculate healthy weight range for a given height (BMI 18.5-24.9 range). Heart Rate Calculator Heart Rate Calculator is a health and wellness calculator that helps you calculate heart rate values from your input data. The formula used is: Max HR = 220 − Age; Heart Rate Reserve = Max HR − Resting HR; Zone = Resting HR + HRR × Intensity %. Enter values using the units shown next to each input field (e.g. kg, cm, years). Jump Rope Calorie Calculator Jump Rope Calorie Calculator is a health and wellness calculator that helps you calculate calorie values based on body data or activity level. The formula used is: Calories = MET × Weight (kg) × Duration (h); Total Jumps = Jumps/min × Duration. Enter values using the units shown next to each input field (e.g. kg, cm, years). Marathon Pace Calculator Marathon Pace Calculator is a health and wellness calculator that helps you calculate marathon pace values from your input data. The formula used is: Pace (min/km) = Target Time (min) ÷ Distance (km). Enter values using the units shown next to each input field (e.g. kg, cm, years). Maximum Heart Rate Calculator Maximum Heart Rate Calculator is a health and wellness calculator that helps you calculate maximum heart rate values from your input data. The formula used is: Classic: 220 − Age; Tanaka: 208 − 0.7 × Age; Gellish: 207 − 0.7 × Age. Enter values using the units shown next to each input field (e.g. kg, cm, years). MET (Metabolic Equivalent) Calculator MET (Metabolic Equivalent) Calculator is a health and wellness calculator that helps you calculate met (metabolic equivalent) values from your input data. The formula used is: MET = VO2 (mL/kg/min) ÷ 3.5; Calories = MET × Weight (kg) × Duration (h). Enter values using the units shown next to each input field (e.g. kg, cm, years). One-Rep Max (1RM) Calculator Your one-rep max (1RM) is the most weight you can lift for a single repetition of an exercise. Rather than testing it directly, which is risky, this calculator estimates it from a lighter set: enter the weight you lifted and how many reps you managed, and it returns your predicted 1RM using the Epley, Brzycki and Lander formulas plus their average. Use it to set training loads as a percentage of your max. Pace Converter Calculator Pace Converter Calculator is a health and wellness calculator that helps you calculate a measurement from one unit to an equivalent in another unit. The formula used is: Pace (min/mile) = Pace (min/km) × 1.60934; Speed (km/h) = 60 ÷ Pace (min/km). Enter values using the units shown next to each input field (e.g. kg, cm, years). Race Time Predictor Race Time Predictor is a health and wellness calculator that helps you calculate race time predictor values from your input data. The formula used is: Predicted Time = Known Time × (Predict Distance / Known Distance)^1.06 [Riegel Formula]. Enter values using the units shown next to each input field (e.g. kg, cm, years). Running Calorie Calculator Running Calorie Calculator is a health and wellness calculator that helps you calculate calorie values based on body data or activity level. The formula used is: Speed = 60 ÷ Pace; MET ≈ 8–12.5 based on speed; Calories = MET × Weight × Time (h). Enter values using the units shown next to each input field (e.g. kg, cm, years). Running Distance & Split Calculator Running Distance & Split Calculator is a health and wellness calculator that helps you calculate distances between two or more points. The formula used is: Total Time = Pace × Distance; Split Time = Pace × Split Distance. Enter values using the units shown next to each input field (e.g. kg, cm, years). Running Pace Calculator Running Pace Calculator is a health and wellness calculator that helps you calculate running pace values from your input data. The formula used is: Pace (min/km) = Time (min) ÷ Distance (km). Enter values using the units shown next to each input field (e.g. kg, cm, years). Sport Calorie Burn Calculator Sport Calorie Burn Calculator is a health and wellness calculator that helps you calculate calorie values based on body data or activity level. The formula used is: Calories (kcal) = MET × Weight (kg) × Duration (hr)\nDuration (hr) = Minutes / 60. Enter values using the units shown next to each input field (e.g. kg, cm, years). Steps to Distance Calculator Steps to Distance Calculator is a health and wellness calculator that helps you calculate distances between two or more points. The formula used is: Stride length (m) = Height (cm) × 0.415 / 100 (male) or × 0.413 / 100 (female); Distance (km) = Steps × Stride / 1000. Enter values using the units shown next to each input field (e.g. kg, cm, years). Stride Length Calculator Stride Length Calculator is a health and wellness calculator that helps you calculate stride length values from your input data. The formula used is: Step length = Height × 0.414 / 100; Stride = Step × 2; From distance: Stride = Distance (m) ÷ (Steps ÷ 2). Enter values using the units shown next to each input field (e.g. kg, cm, years). Swimming Calorie Calculator Swimming Calorie Calculator is a health and wellness calculator that helps you calculate calorie values based on body data or activity level. The formula used is: Calories = MET × Weight (kg) × Duration (h); MET: Freestyle=8, Breaststroke=5.3, Backstroke=4.8, Butterfly=13.8. Enter values using the units shown next to each input field (e.g. kg, cm, years). Target Heart Rate Calculator Target Heart Rate Calculator is a health and wellness calculator that helps you calculate target heart rate values from your input data. The formula used is: Target HR = (Max HR − Resting HR) × Intensity% + Resting HR (Karvonen Formula). Enter values using the units shown next to each input field (e.g. kg, cm, years). Training Load (TRIMP) Calculator Training Load (TRIMP) Calculator is a health and wellness calculator that helps you calculate training load (trimp) values from your input data. The formula used is: HRR = (AvgHR − RestHR) / (MaxHR − RestHR); Y = HRR × 0.64 × e^(1.92×HRR) [male]; TRIMP = Duration × HRR × Y. Enter values using the units shown next to each input field (e.g. kg, cm, years). VO2 Max Calculator VO2 Max Calculator is a health and wellness calculator that helps you calculate vo2 max values from your input data. The formula used is: VO2 Max ≈ 3.5 + 10.8 × Speed (km/h) − 0.32 × Age. Enter values using the units shown next to each input field (e.g. kg, cm, years). Walking Calorie Calculator Walking Calorie Calculator is a health and wellness calculator that helps you calculate calorie values based on body data or activity level. The formula used is: MET ≈ 0.8 × Speed (km/h) − 0.5; Calories = MET × Weight (kg) × Time (h). Enter values using the units shown next to each input field (e.g. kg, cm, years). Weight Loss Calorie Calculator Weight Loss Calorie Calculator is a health and wellness calculator that helps you calculate calorie values based on body data or activity level. The formula used is: Daily Deficit = (Weight to Lose × 7700) ÷ (Weeks × 7); Target Calories = TDEE − Daily Deficit. Enter values using the units shown next to each input field (e.g. kg, cm, years). Workout Total Calories Calculator Workout Total Calories Calculator is a health and wellness calculator that helps you calculate calorie values based on body data or activity level. The formula used is: Calories = MET × Weight (kg) × Duration (h) for each exercise; Total = Sum of all. Enter values using the units shown next to each input field (e.g. kg, cm, years).

Anion Gap Calculator Anion Gap Calculator is a health and wellness calculator that helps you calculate anion gap values from your input data. The formula used is: AG = Na − (Cl + HCO3); Corrected = AG + 2.5 × (4.0 − albumin). Enter values using the units shown next to each input field (e.g. kg, cm, years). APRI Calculator (AST to Platelet Ratio) The APRI Calculator (AST to Platelet Ratio Index) is a non-invasive screening score for liver fibrosis and cirrhosis. It compares AST against its upper limit of normal relative to the platelet count. The formula used is: APRI = (AST ÷ AST upper limit) ÷ platelet count × 100. BUN to Creatinine Ratio Calculator Calculate the BUN-to-creatinine ratio from your blood urea nitrogen and serum creatinine values — a lab ratio used to help distinguish causes of kidney dysfunction. Enter both lab values in mg/dL to get the ratio and a general interpretation. Child-Pugh Score Calculator Child-Pugh Score Calculator is a health and wellness calculator that helps you calculate academic scores or grade equivalents. The formula used is: Sum of 1–3 points each for bilirubin, albumin, INR, ascites, and encephalopathy. Enter values using the units shown next to each input field (e.g. kg, cm, years). CKD Stage Calculator CKD Stage Calculator is a health and wellness calculator that helps you calculate your chronic kidney disease (CKD) stage from eGFR and albuminuria using KDIGO classification. The formula used is: KDIGO classification combines GFR category (G1–G5) with albuminuria category (A1–A3). Enter values using the units shown next to each input field (e.g. kg, cm, years). Corrected Calcium Calculator Corrected Calcium Calculator is a health and wellness calculator that helps you calculate corrected calcium values from your input data. The formula used is: Corrected Ca = measured Ca + 0.8 × (4.0 − albumin g/dL). Enter values using the units shown next to each input field (e.g. kg, cm, years). Corrected Sodium Calculator (Hyperglycemia) Corrected Sodium Calculator (Hyperglycemia) is a health and wellness calculator that helps you calculate corrected sodium calculator (hyperglycemia) values from your input data. The formula used is: Corrected Na = measured Na + factor × (glucose − 100) ÷ 100. Enter values using the units shown next to each input field (e.g. kg, cm, years). eGFR Calculator (CKD-EPI 2021) eGFR Calculator (CKD-EPI 2021) is a health and wellness calculator that helps you calculate egfr calculator (ckd-epi 2021) values from your input data. The formula used is: CKD-EPI 2021: 142 × min(Scr/κ,1)^α × max(Scr/κ,1)^−1.2 × 0.9938^age × (1.012 if female). Enter values using the units shown next to each input field (e.g. kg, cm, years). FIB-4 Liver Fibrosis Calculator FIB-4 Liver Fibrosis Calculator is a health and wellness calculator that helps you calculate fib-4 liver fibrosis values from your input data. The formula used is: FIB-4 = (age × AST) ÷ (platelets × √ALT). Enter values using the units shown next to each input field (e.g. kg, cm, years). Fractional Excretion of Sodium (FENa) Calculator Fractional Excretion of Sodium (FENa) Calculator is a health and wellness calculator that helps you calculate fractional excretion of sodium (fena) values from your input data. The formula used is: FENa = (urine Na × plasma Cr) ÷ (plasma Na × urine Cr) × 100. Enter values using the units shown next to each input field (e.g. kg, cm, years). Fractional Excretion of Urea (FEUrea) Calculator Calculate Fractional Excretion of Urea (FEUrea) for acute kidney injury (AKI) diagnosis. FEUrea helps distinguish pre-renal (dehydration, shock) from intrinsic renal causes. Formula: FEUrea = (U_urea × P_Cr) / (P_urea × U_Cr) × 100. <35% suggests pre-renal; >50% suggests intrinsic renal disease. Free Water Deficit Calculator Free Water Deficit Calculator is a health and wellness calculator that helps you calculate free water deficit values from your input data. The formula used is: Deficit = TBW × (current Na ÷ target Na − 1); TBW = factor × weight. Enter values using the units shown next to each input field (e.g. kg, cm, years). Maddrey's Discriminant Function Calculator Maddrey's Discriminant Function Calculator is a health and wellness calculator that helps you calculate maddrey's discriminant function values from your input data. The formula used is: DF = 4.6 × (patient PT − control PT) + serum bilirubin. Enter values using the units shown next to each input field (e.g. kg, cm, years). MELD Score Calculator MELD Score Calculator is a health and wellness calculator that helps you calculate academic scores or grade equivalents. The formula used is: MELD = 3.78·ln(bilirubin) + 11.2·ln(INR) + 9.57·ln(creatinine) + 6.43. Enter values using the units shown next to each input field (e.g. kg, cm, years). NAFLD Fibrosis Score Calculator NAFLD Fibrosis Score Calculator is a health and wellness calculator that helps you calculate academic scores or grade equivalents. The formula used is: NFS = −1.675 + 0.037·age + 0.094·BMI + 1.13·IFG/DM + 0.99·(AST/ALT) − 0.013·platelets − 0.66·albumin. Enter values using the units shown next to each input field (e.g. kg, cm, years). Serum Osmolality Calculator Serum Osmolality Calculator is a health and wellness calculator that helps you calculate molar concentration of a chemical solution. The formula used is: Osmolality = 2 × Na + glucose/18 + BUN/2.8. Enter values using the units shown next to each input field (e.g. kg, cm, years). Sodium Deficit Calculator Sodium Deficit Calculator is a health and wellness calculator that helps you calculate sodium deficit values from your input data. The formula used is: Sodium deficit = TBW × (target Na − current Na); TBW = factor × weight. Enter values using the units shown next to each input field (e.g. kg, cm, years). Urine Albumin-to-Creatinine Ratio Calculator The Urine Albumin-to-Creatinine Ratio (UACR) Calculator divides urine albumin by urine creatinine to give a mg/g ratio that screens for kidney damage. It also reports the albuminuria category (A1, A2 or A3). Urine Protein-to-Creatinine Ratio Calculator Urine Protein-to-Creatinine Ratio Calculator is a health and wellness calculator that helps you calculate the ratio between two numbers in simplified form. The formula used is: UPCR (g/g) = urine protein ÷ urine creatinine (same units) ≈ grams of protein per day. Enter values using the units shown next to each input field (e.g. kg, cm, years).

Ankle-Brachial Index (ABI) Calculator Ankle-Brachial Index (ABI) Calculator is a health and wellness calculator that helps you calculate ankle-brachial index (abi) values from your input data. The formula used is: ABI = Highest ankle systolic pressure ÷ Highest arm systolic pressure. Enter values using the units shown next to each input field (e.g. kg, cm, years). Blood Pressure Category Calculator Find out which blood pressure category your reading falls into using ACC/AHA guidelines. Enter your systolic (top) and diastolic (bottom) numbers and this calculator classifies the result from low through hypertensive crisis, with guidance on what to do. Blood Volume Calculator Estimate your total blood volume with the Nadler formula. Enter your sex, height, and weight, and this calculator returns your approximate blood volume in litres and millilitres, plus the amount per kilogram of body weight. Body Surface Area (BSA) Calculator Calculate your body surface area (BSA) with the Mosteller and Du Bois formulas. Enter your height and weight to get your BSA in m², widely used for drug dosing and clinical measurements. Cardiac Index Calculator Calculate cardiac index (CI) — cardiac output adjusted for body size. Enter cardiac output and body surface area, and this calculator divides one by the other to give CI in L/min/m², along with where it sits relative to the normal range. Cardiac Output Calculator Calculate cardiac output — the volume of blood your heart pumps each minute. Enter heart rate and stroke volume, and this calculator multiplies them (and converts to litres) to give cardiac output in L/min, with how it compares to the normal resting range. CHA₂DS₂-VASc Stroke Risk Calculator CHA₂DS₂-VASc Stroke Risk Calculator is a health and wellness calculator that helps you calculate cha₂ds₂-vasc stroke risk values from your input data. The formula used is: Sum points: CHF +1, Hypertension +1, Age 65-74 +1 / ≥75 +2, Diabetes +1, Stroke/TIA +2, Vascular disease +1, Female +1.. Enter values using the units shown next to each input field (e.g. kg, cm, years). Cholesterol Ratio Calculator Cholesterol Ratio Calculator is a health and wellness calculator that helps you calculate the ratio between two numbers in simplified form. The formula used is: Cholesterol ratio = Total cholesterol ÷ HDL cholesterol. Enter values using the units shown next to each input field (e.g. kg, cm, years). Ejection Fraction Calculator Ejection Fraction Calculator is a health and wellness calculator that helps you calculate ejection fraction values from your input data. The formula used is: EF = (EDV − ESV) ÷ EDV × 100. Enter values using the units shown next to each input field (e.g. kg, cm, years). Heart Age Calculator Heart Age Calculator is a health and wellness calculator that helps you calculate your heart age based on your cardiovascular risk factors. The formula used is: Heart age = actual age + points added for each risk factor present.. Enter values using the units shown next to each input field (e.g. kg, cm, years). Heart Rate Recovery Calculator Heart Rate Recovery Calculator is a health and wellness calculator that helps you calculate heart rate recovery values from your input data. The formula used is: Heart rate recovery = Peak HR − HR one minute after stopping exercise. Enter values using the units shown next to each input field (e.g. kg, cm, years). Heart Rate Training Zones Calculator Heart Rate Training Zones Calculator is a health and wellness calculator that helps you calculate heart rate training zones values from your input data. The formula used is: Each zone = Max HR × the zone's percentage range. Max HR = 220 − age.. Enter values using the units shown next to each input field (e.g. kg, cm, years). Karvonen Heart Rate Reserve Calculator Karvonen Heart Rate Reserve Calculator is a health and wellness calculator that helps you calculate karvonen heart rate reserve values from your input data. The formula used is: Target HR = (Max HR − Resting HR) × intensity % + Resting HR. Enter values using the units shown next to each input field (e.g. kg, cm, years). LDL Cholesterol Calculator (Friedewald) LDL Cholesterol Calculator (Friedewald) is a health and wellness calculator that helps you calculate a blood-related health metric. The formula used is: LDL = Total cholesterol − HDL − (Triglycerides ÷ 5) (mg/dL). Enter values using the units shown next to each input field (e.g. kg, cm, years). Mean Arterial Pressure (MAP) Calculator Mean Arterial Pressure (MAP) Calculator is a health and wellness calculator that helps you calculate a blood-related health metric. The formula used is: MAP = Diastolic + (Systolic − Diastolic) ÷ 3. Enter values using the units shown next to each input field (e.g. kg, cm, years). MET & Calorie Burn Calculator MET & Calorie Burn Calculator is a health and wellness calculator that helps you calculate calorie values based on body data or activity level. The formula used is: Calories/min = MET × 3.5 × weight(kg) ÷ 200. Enter values using the units shown next to each input field (e.g. kg, cm, years). Non-HDL Cholesterol Calculator Non-HDL Cholesterol Calculator is a health and wellness calculator that helps you calculate a blood-related health metric. The formula used is: Non-HDL cholesterol = Total cholesterol − HDL cholesterol. Enter values using the units shown next to each input field (e.g. kg, cm, years). Pulse Pressure Calculator Pulse Pressure Calculator is a health and wellness calculator that helps you calculate a blood-related health metric. The formula used is: Pulse pressure = Systolic − Diastolic. Enter values using the units shown next to each input field (e.g. kg, cm, years). QTc Calculator (Corrected QT Interval) QTc Calculator (Corrected QT Interval) is a health and wellness calculator that helps you calculate qtc calculator (corrected qt interval) values from your input data. The formula used is: Bazett: QTc = QT ÷ √RR\nFridericia: QTc = QT ÷ ∛RR\nRR = 60 ÷ heart rate (seconds). Enter values using the units shown next to each input field (e.g. kg, cm, years). Resting Heart Rate Assessment Resting Heart Rate Assessment is a health and wellness calculator that helps you calculate sleep duration, cycles, or bedtime recommendations. The formula used is: Resting heart rate compared against standard fitness bands.. Enter values using the units shown next to each input field (e.g. kg, cm, years). Stroke Volume Calculator Stroke Volume Calculator is a health and wellness calculator that helps you calculate the volume of a three-dimensional shape or container. The formula used is: SV = Cardiac Output ÷ Heart Rate (or) SV = EDV − ESV. Enter values using the units shown next to each input field (e.g. kg, cm, years). Triglyceride to HDL Ratio Calculator Triglyceride to HDL Ratio Calculator is a health and wellness calculator that helps you calculate the ratio between two numbers in simplified form. The formula used is: TG/HDL ratio = Triglycerides ÷ HDL cholesterol (mg/dL). Enter values using the units shown next to each input field (e.g. kg, cm, years).

Ankle-Brachial Index Calculator This ankle-brachial index (ABI) calculator screens for peripheral artery disease by comparing the blood pressure at your ankle with the pressure in your arm. Enter the systolic pressure measured at the ankle and at the arm, and it returns the ABI ratio along with a clinical interpretation of your lower-limb circulation.

Aortic Valve Area (Continuity) Calculator The Aortic Valve Area Calculator estimates aortic valve area (AVA) from echocardiographic measurements using the continuity equation. It compares flow through the LVOT with flow through the aortic valve. The formula used is: AVA = (LVOT area × LVOT VTI) ÷ AV VTI, where LVOT area = π × (LVOT diameter ÷ 2)². DAPT Score Calculator The DAPT Score Calculator weighs the risks and benefits of prolonged dual antiplatelet therapy after coronary stenting. Answer the risk factors to get the score. For clinical education only. Doppler Echo Cardiac Output Calculator The Doppler Echo Cardiac Output Calculator estimates stroke volume and cardiac output from the LVOT diameter, LVOT velocity-time integral (VTI), and heart rate. For clinical education only. ECG Heart Rate Calculator ECG Heart Rate Calculator estimates heart rate from R-R interval duration. Formula: HR = 60,000 ÷ (R-R interval in milliseconds) or HR = 1,500 ÷ (small boxes between R waves). Enter values using the units shown next to each input field (e.g. kg, cm, years). EROA Calculator (PISA Method) The EROA Calculator estimates the effective regurgitant orifice area using the PISA method from the PISA radius, aliasing velocity, and peak regurgitant velocity. For clinical education only. Qp/Qs Ratio Calculator Calculate the pulmonary-to-systemic blood flow ratio (Qp/Qs). Used to assess left-to-right shunts in congenital heart disease. Rate Pressure Product Calculator Calculate rate-pressure product (RPP): cardiac workload indicator. RPP = Heart Rate × Systolic BP. Higher = greater oxygen demand. TIMI Risk Score (UA/NSTEMI) TIMI Risk Score for unstable angina/NSTEMI. Predicts 14-day mortality, MI, urgent revascularization.

APACHE II Score Calculator The APACHE II Score Calculator adds up the individual point scores of a critically ill patient to give a severity-of-disease score and a rough estimate of in-hospital mortality. This is a simplified version that sums the points you enter for each component. The formula used is: APACHE II score = sum of all component points. Estimated Blood Loss Estimate surgical or trauma blood loss from the drop in hematocrit using the Gross formula, with an approximate red-cell unit equivalent. Mean Airway Pressure Calculator The Mean Airway Pressure Calculator estimates the average pressure applied to the airways during mechanical ventilation from peak and end-expiratory pressures and the inspiratory-to-expiratory timing.

APC Liver Score Calculator The APC Liver Score Calculator combines age, serum albumin, and prothrombin time into a single score used to gauge liver function and prognosis. The formula used is: APC = age + (3.1 − albumin) × 10 + (PT − 12) × 5. AST/ALT Ratio Calculator (De Ritis Ratio) Calculate the AST/ALT ratio — also called the De Ritis ratio — by dividing your aspartate aminotransferase (AST) result by your alanine aminotransferase (ALT) result. Enter both liver-enzyme values in U/L and the calculator returns the ratio with a general interpretation. It is a screening aid, not a diagnosis.

APFT Score Calculator The APFT Score Calculator gives a simplified Army Physical Fitness Test total from push-ups, sit-ups, and a two-mile run. Each event contributes points, and the points are added for an overall score. The formula used is: total = push-up points + sit-up points + run points.

Arterial Age Calculator Estimate your arterial (vascular) age from your blood pressure and chronological age. Higher systolic blood pressure suggests stiffer, older-acting arteries, so this simple screening estimate adjusts your real age upward as systolic pressure rises above 120 mmHg. Enter your blood pressure and age to see an indicative arterial age — it is an educational guide, not a diagnosis.

Arterial Blood pH Calculator Convert a hydrogen-ion concentration [H⁺] into blood pH using pH = −log₁₀[H⁺]. Enter the [H⁺] in moles per litre (M) and the calculator returns the pH. For reference, normal arterial blood pH sits in a tight range of about 7.35–7.45.

ARV Response Indicator (HIV Viral Load) Get a simple indicator of how well antiretroviral (ARV) therapy is suppressing HIV, based on your most recent viral-load result. Enter the viral load in copies/mL (and an optional symptom count for context) and the calculator labels the response as good, moderate or poor. It is an educational guide only, not medical advice.

AUDIT Alcohol Use Disorders Test Calculator Score the full 10-item AUDIT (Alcohol Use Disorders Identification Test) developed by the WHO to screen for hazardous and harmful drinking. Answer all ten questions and the calculator totals your score (0–40) and indicates the risk zone, from low-risk drinking through to likely alcohol dependence. AUDIT-C Alcohol Screening Calculator Score the AUDIT-C, a brief three-question screen for unhealthy alcohol use derived from the full AUDIT questionnaire. Answer how often you drink, how many drinks you have on a typical drinking day, and how often you have six or more drinks at once. The calculator totals your score (0–12) and flags whether it suggests possible at-risk drinking. Blood Alcohol Content (BAC) Calculator Estimate blood alcohol content (BAC) using the Widmark formula.

Average Blood Sugar Calculator Average several blood glucose readings and estimate the matching HbA1c. Enter up to five mg/dL readings and this calculator returns the mean, an estimated HbA1c percentage, and the average in mmol/L. Average Glucose to HbA1c Calculator Average Glucose to HbA1c Calculator is a health and wellness calculator that helps you calculate your estimated HbA1c from your average blood glucose level. The formula used is: HbA1c (%) = (average glucose mg/dL + 46.7) ÷ 28.7. Enter values using the units shown next to each input field (e.g. kg, cm, years). Basal Insulin Dose Calculator Estimate a starting basal (background) insulin dose from body weight. A common rule of thumb sets the total daily insulin dose (TDD) at around 0.3–0.7 units per kilogram, with roughly half of that given as long-acting basal insulin. Enter weight and a dose factor to see an estimated basal dose, TDD, and the amount left for mealtime bolus insulin. Blood Sugar Calculator Convert blood sugar levels between mg/dL and mmol/L and interpret the result against standard ranges. Blood Sugar Converter (mg/dL ↔ mmol/L) Convert blood glucose readings between mg/dL and mmol/L instantly. Choose a direction, enter your value, and this calculator returns the equivalent in the other unit using the standard factor of 18. Blood Sugar Level Checker Check whether a blood glucose reading is normal, prediabetic, or in the diabetes range. Choose when it was measured (fasting, after a meal, or random), enter the value in mg/dL or mmol/L, and this calculator interprets it against ADA thresholds. Carb Counting Calculator Add up the carbohydrates in a meal and convert the total into carb exchanges (servings of 15 g each). Enter the carb grams for up to four foods and this calculator returns the meal total and the number of exchanges — handy for diabetes meal planning and insulin dosing. Gestational Diabetes Risk Calculator Gestational Diabetes Risk Calculator is a health and wellness calculator that helps you calculate gestational diabetes risk values from your input data. The formula used is: Sum of points for age, BMI, family history, prior GDM, macrosomia, and PCOS/ethnicity. Enter values using the units shown next to each input field (e.g. kg, cm, years). Glycemic Load Calculator Glycemic Load Calculator is a health and wellness calculator that helps you calculate glycemic load values from your input data. The formula used is: Glycemic load = (glycemic index × carbohydrate grams) ÷ 100. Enter values using the units shown next to each input field (e.g. kg, cm, years). HbA1c to Average Glucose Calculator HbA1c to Average Glucose Calculator is a health and wellness calculator that helps you calculate your estimated average glucose (eAG) from your HbA1c level. The formula used is: eAG (mg/dL) = 28.7 × HbA1c − 46.7 (ADAG study). Enter values using the units shown next to each input field (e.g. kg, cm, years). HOMA-IR Insulin Resistance Calculator HOMA-IR Insulin Resistance Calculator is a health and wellness calculator that helps you calculate homa-ir insulin resistance values from your input data. The formula used is: HOMA-IR = (fasting glucose mg/dL × fasting insulin µU/mL) ÷ 405. Enter values using the units shown next to each input field (e.g. kg, cm, years). Insulin Correction Dose Calculator Insulin Correction Dose Calculator is a health and wellness calculator that helps you calculate insulin correction dose values from your input data. The formula used is: Correction dose = (Current glucose − Target glucose) ÷ Insulin sensitivity factor. Enter values using the units shown next to each input field (e.g. kg, cm, years). Insulin Sensitivity Factor Calculator Insulin Sensitivity Factor Calculator is a health and wellness calculator that helps you calculate insulin sensitivity factor values from your input data. The formula used is: ISF (mg/dL) = 1800 ÷ total daily dose (rapid-acting) or 1500 ÷ TDD (regular). Enter values using the units shown next to each input field (e.g. kg, cm, years). Insulin to Carb Ratio Calculator Estimate your insulin-to-carb ratio using the 500 rule — how many grams of carbohydrate one unit of rapid-acting insulin covers. Enter your total daily insulin dose and this calculator divides 500 by it to give a starting I:C ratio. Mealtime Insulin Dose Calculator Mealtime Insulin Dose Calculator is a health and wellness calculator that helps you calculate mealtime insulin dose values from your input data. The formula used is: Total = (carbs ÷ carb ratio) + max(0, (current − target) ÷ ISF). Enter values using the units shown next to each input field (e.g. kg, cm, years). Time in Range Calculator Time in Range Calculator is a health and wellness calculator that helps you calculate time in range values from your input data. The formula used is: Daily time in range = (TIR% ÷ 100) × 24 hours. Enter values using the units shown next to each input field (e.g. kg, cm, years). Total Daily Insulin Requirement Calculator Total Daily Insulin Requirement Calculator is a health and wellness calculator that helps you calculate total daily insulin requirement values from your input data. The formula used is: TDD = weight (kg) × factor (units/kg); split 50% basal / 50% bolus. Enter values using the units shown next to each input field (e.g. kg, cm, years).

Baby & Child Sleep Calculator The Baby & Child Sleep Calculator tells you how much sleep your child needs each day based on their age. Enter the age in months and it returns the recommended total daily sleep and a typical nap pattern, following AASM/National Sleep Foundation age bands. Sleep needs drop steadily from newborn to teenager, and every child varies a little. Baby & Kids Shoe Size Calculator The Baby & Kids Shoe Size Calculator converts your child's foot length into EU, UK, and US shoe sizes, with a little growing room built in. Measure from the heel to the longest toe, enter the length in centimetres, and you get the recommended size in each system. Because brands fit differently, treat the result as a starting point and check each brand's chart. Baby Age Calculator (Weeks & Months) The Baby Age Calculator tells you exactly how old your baby is in weeks and in months. Enter your baby's date of birth and today's date, and it returns the age in weeks (plus extra days), the number of completed calendar months, and the total days lived. It's handy for tracking milestones, vaccination schedules, and age-based clothing or feeding guides. Baby Clothing Size Calculator The Baby Clothing Size Calculator suggests the right clothing size for your baby from their height (length). Because EU baby sizes are based directly on height in centimetres, you enter your baby's length and get the recommended size band plus the typical age range it covers. Sizes vary by brand, so it's usually smart to size up a little. Baby Eye Color Predictor The Baby Eye Color Predictor estimates the chance your baby will have brown, green/hazel, or blue eyes based on both parents' eye colors. Pick each parent's eye color and it returns the most likely outcome plus rough probabilities for each color. It's a fun, simplified guide — real eye color is shaped by many genes, so treat the numbers as estimates. Baby Formula Feeding Calculator The Baby Formula Feeding Calculator estimates how much formula your baby needs each day and per feed. Enter your baby's weight, how many feeds you give per day, and a milk-per-kg guideline, and it returns the total daily volume, the amount per bottle, and the daily total in ounces. Use it as a starting point — always follow your pediatrician's advice and your baby's hunger cues. Baby Growth Percentile Calculator The Baby Growth Percentile Calculator converts any growth measurement — weight, length, or head circumference — into a percentile, as long as you know the reference median and standard deviation for your baby's age and sex. Enter the measured value, the median, and the SD, and it returns the percentile and z-score. It's the general tool behind weight-, height-, and head-circumference percentiles. Baby Head Circumference Percentile The Baby Head Circumference Percentile Calculator shows where your baby's head size falls compared with other children of the same age and sex. Enter your baby's age, sex, and head circumference, and it estimates the percentile against WHO growth references. A percentile of 50 means an average head size; very low or very high values are worth discussing with your pediatrician. Baby Height/Length Percentile Calculator The Baby Height/Length Percentile Calculator shows where your baby's length or height ranks against other children of the same age and sex. Enter the age, sex, and measured length, and it estimates the percentile using WHO growth references, along with the median height for that age. The 50th percentile is average; very low or very high values are worth raising with your pediatrician. Baby Weight Percentile Calculator The Baby Weight Percentile Calculator shows where your baby's weight ranks against other children of the same age and sex. Enter the age, sex, and weight, and it estimates the percentile using WHO weight-for-age references, plus the median weight for that age. A percentile of 50 is average; very low or very high values are worth discussing with your pediatrician. Child & Teen BMI Calculator Child & Teen BMI Calculator is a health and wellness calculator that helps you calculate your Body Mass Index from height and weight. The formula used is: BMI = weight (kg) ÷ height (m)²; interpret using age/sex BMI-for-age percentiles.. Enter values using the units shown next to each input field (e.g. kg, cm, years). Child Calorie Needs Calculator Child Calorie Needs Calculator is a health and wellness calculator that helps you calculate calorie values based on body data or activity level. The formula used is: Base calories by age/gender, adjusted by activity level.. Enter values using the units shown next to each input field (e.g. kg, cm, years). Child Height Predictor Child Height Predictor is a health and wellness calculator that helps you calculate height measurements or conversions between unit systems. The formula used is: Boys: (father + mother + 13) ÷ 2\nGirls: (father + mother − 13) ÷ 2\n(heights in cm). Enter values using the units shown next to each input field (e.g. kg, cm, years). Child Water & Fluid Intake Calculator Child Water & Fluid Intake Calculator is a health and wellness calculator that helps you calculate child water & fluid intake values from your input data. The formula used is: Holliday-Segar: 100 ml/kg (first 10 kg) + 50 ml/kg (next 10 kg) + 20 ml/kg (over 20 kg). Enter values using the units shown next to each input field (e.g. kg, cm, years). Corrected Age Calculator (Premature Baby) Corrected Age Calculator (Premature Baby) is a health and wellness calculator that helps you calculate the corrected age of a premature baby by subtracting weeks of prematurity from chronological age. The formula used is: Corrected age = Chronological age − weeks premature\nWeeks premature = due date − birth date. Enter values using the units shown next to each input field (e.g. kg, cm, years). Pakistan Immunization Schedule (EPI) Pakistan Immunization Schedule (EPI) is a health and wellness calculator that helps you calculate pakistan immunization schedule (epi) values from your input data. The formula used is: Vaccine due dates = birth date + the EPI interval for each dose.. Enter values using the units shown next to each input field (e.g. kg, cm, years).

Back to Normal Life After Illness Calculator The Back to Normal Life Calculator gives a rough estimate of how many weeks it may take to return to your usual activities after an illness. Enter how severe the illness was, your age, and your general fitness level, and it returns an estimated recovery time. It's a simple guide, not medical advice — real recovery depends on your condition and your doctor's input. Pet Age in Human Years Cat is a health and wellness calculator that helps you calculate your pet's age in human-equivalent years. The formula used is: Cat/Small Dog: Year 1=15, Year 2=24, each after +4\nLarge Dog: Year 1=15, Year 2=24, each after +5\nRabbit: Year 1=21, Year 2=35, each after +8\nHamster: Year 1=26, each after +13. Enter values using the units shown next to each input field (e.g. kg, cm, years).

Balochistan Police Fitness Calculator Check whether you meet the Balochistan Police constable physical standards before you apply. Enter your sex, age, height, weight, chest measurements (males) and your run, push-up and sit-up results, and the calculator compares each one against the BPSC recruitment requirements and shows where you pass or fall short. Islamabad Police Fitness Calculator Islamabad Police Fitness Calculator is a health and wellness calculator that helps you calculate islamabad police fitness values from your input data. The formula used is: Pass/Fail based on Islamabad (ICT) Police constable recruitment physical standards.. Enter values using the units shown next to each input field (e.g. kg, cm, years). KPK Police Fitness Calculator KPK Police Fitness Calculator is a health and wellness calculator that helps you calculate kpk police fitness values from your input data. The formula used is: Pass/Fail based on KPK Police constable recruitment physical standards.. Enter values using the units shown next to each input field (e.g. kg, cm, years). Punjab Police Fitness Calculator Punjab Police Fitness Calculator is a health and wellness calculator that helps you calculate punjab police fitness values from your input data. The formula used is: Pass/Fail assessment based on Punjab Police constable recruitment physical standards.. Enter values using the units shown next to each input field (e.g. kg, cm, years). Punjab Rangers Fitness Calculator Punjab Rangers Fitness Calculator is a health and wellness calculator that helps you calculate punjab rangers fitness values from your input data. The formula used is: Pass/Fail based on Punjab Rangers paramilitary recruitment physical standards.. Enter values using the units shown next to each input field (e.g. kg, cm, years). Punjab Traffic Police Fitness Calculator Punjab Traffic Police Fitness Calculator is a health and wellness calculator that helps you calculate punjab traffic police fitness values from your input data. The formula used is: Pass/Fail based on Punjab Traffic Police (Traffic Warden) recruitment physical standards.. Enter values using the units shown next to each input field (e.g. kg, cm, years). Sindh Police Fitness Calculator Sindh Police Fitness Calculator is a health and wellness calculator that helps you calculate sindh police fitness values from your input data. The formula used is: Pass/Fail based on Sindh Police constable recruitment physical standards.. Enter values using the units shown next to each input field (e.g. kg, cm, years). Sindh Rangers Fitness Calculator Sindh Rangers Fitness Calculator is a health and wellness calculator that helps you calculate sindh rangers fitness values from your input data. The formula used is: Pass/Fail based on Sindh Rangers paramilitary recruitment physical standards.. Enter values using the units shown next to each input field (e.g. kg, cm, years). Sindh Traffic Police Fitness Calculator Sindh Traffic Police Fitness Calculator is a health and wellness calculator that helps you calculate sindh traffic police fitness values from your input data. The formula used is: Pass/Fail based on Sindh Traffic Police constable recruitment physical standards.. Enter values using the units shown next to each input field (e.g. kg, cm, years).

Barbell Plate Loading Calculator Barbell Plate Loading Calculator is a health and wellness calculator that helps you calculate barbell plate loading values from your input data. The formula used is: Weight per side = (target − bar) ÷ 2, then greedily fill with standard plates. Enter values using the units shown next to each input field (e.g. kg, cm, years). Calories Burned Cycling Calculator Estimate how many calories you burn cycling. Pick your body weight, the cycling intensity (from leisurely to racing), and how long you rode, and this calculator returns the calories burned and your burn rate per minute using MET values. Calories Burned Jump Rope Calculator Estimate how many calories you burn jumping rope. Enter your body weight, skipping speed, and how long you skipped, and this calculator returns the calories burned and your burn rate per minute using MET values. Jump rope is one of the most calorie-dense workouts minute for minute. Calories Burned Running Calculator Popular Estimate how many calories you burn running. Enter your body weight, running speed, and how long you ran, and this calculator returns the calories burned and your burn rate per minute using MET values. Calories Burned Swimming Calculator Estimate how many calories you burn swimming. Enter your body weight, the stroke and intensity, and how long you swam, and this calculator returns the calories burned and your burn rate per minute using MET values. Calories Burned Walking Calculator Popular Estimate how many calories you burn walking. Enter your body weight, walking speed, and how long you walked, and this calculator returns the calories burned and your burn rate per minute using MET values. Calories Burned Weightlifting Calculator Estimate how many calories you burn weight training. Enter your body weight, the training intensity (from light machine work to circuit/CrossFit), and how long you trained, and this calculator returns the calories burned and your burn rate per minute using MET values. Cooper Test VO2 Max Calculator Cooper Test VO2 Max Calculator is a health and wellness calculator that helps you calculate cooper test vo2 max values from your input data. The formula used is: VO2 max = (distance in metres − 504.9) ÷ 44.73. Enter values using the units shown next to each input field (e.g. kg, cm, years). DOTS Score Calculator DOTS Score Calculator is a health and wellness calculator that helps you calculate academic scores or grade equivalents. The formula used is: DOTS score = total × 500 ÷ (4th-order polynomial of body weight). Enter values using the units shown next to each input field (e.g. kg, cm, years). FTP Calculator (Cycling) Calculate Functional Threshold Power (FTP) from a 20-minute all-out cycling test. FTP represents the maximum power output (watts) you can sustain for one hour. Enter your average power from the 20-minute test to estimate FTP and power training zones. Grip Strength Calculator Grip Strength Calculator is a health and wellness calculator that helps you calculate grip strength values from your input data. The formula used is: Compare grip force to sex norms; ratio = grip ÷ body weight. Enter values using the units shown next to each input field (e.g. kg, cm, years). Marathon Time Predictor Calculator Marathon Time Predictor Calculator is a health and wellness calculator that helps you calculate marathon time predictor values from your input data. The formula used is: Marathon time = recent time × (42.195 ÷ recent distance)^1.06. Enter values using the units shown next to each input field (e.g. kg, cm, years). Plank Calories Calculator Plank Calories Calculator is a health and wellness calculator that helps you calculate calorie values based on body data or activity level. The formula used is: Calories = MET (≈3.8) × weight (kg) × time (hours). Enter values using the units shown next to each input field (e.g. kg, cm, years). Power to Weight Ratio Calculator Power to Weight Ratio Calculator is a health and wellness calculator that helps you calculate weight values or weight conversions between unit systems. The formula used is: Power-to-weight = power (watts) ÷ body weight (kg). Enter values using the units shown next to each input field (e.g. kg, cm, years). Push-Up Test Calculator Push-Up Test Calculator is a health and wellness calculator that helps you calculate push-up test values from your input data. The formula used is: Compare max push-ups to age- and sex-based norm bands. Enter values using the units shown next to each input field (e.g. kg, cm, years). Relative Strength Calculator Relative Strength Calculator is a health and wellness calculator that helps you calculate relative strength values from your input data. The formula used is: Relative strength = weight lifted ÷ body weight. Enter values using the units shown next to each input field (e.g. kg, cm, years). Rep Max Percentage Calculator Rep Max Percentage Calculator is a health and wellness calculator that helps you calculate a percentage from a part and a whole, or a percentage change. The formula used is: Working weight = 1RM × (percentage ÷ 100). Enter values using the units shown next to each input field (e.g. kg, cm, years). Rockport Walk Test Calculator Rockport Walk Test Calculator is a health and wellness calculator that helps you calculate rockport walk test values from your input data. The formula used is: VO2 = 132.853 − 0.0769·weight(lb) − 0.3877·age + 6.315·(male) − 3.2649·time − 0.1565·HR. Enter values using the units shown next to each input field (e.g. kg, cm, years). Running Cadence Calculator Running Cadence Calculator is a health and wellness calculator that helps you calculate running cadence values from your input data. The formula used is: Cadence = steps ÷ minutes; Speed = cadence × step length × 60. Enter values using the units shown next to each input field (e.g. kg, cm, years). Sit-Up Test Calculator Sit-Up Test Calculator is a health and wellness calculator that helps you calculate sit-up test values from your input data. The formula used is: Compare one-minute sit-ups to age- and sex-based norm bands. Enter values using the units shown next to each input field (e.g. kg, cm, years). Steps to Calories Calculator Popular Steps to Calories Calculator is a health and wellness calculator that helps you calculate calorie values based on body data or activity level. The formula used is: Calories ≈ steps × per-step factor × (weight ÷ 70). Enter values using the units shown next to each input field (e.g. kg, cm, years). Swim Pace Calculator Swim Pace Calculator is a health and wellness calculator that helps you calculate swim pace values from your input data. The formula used is: Pace = time ÷ (distance ÷ 100); 100 yards = 91.44 m. Enter values using the units shown next to each input field (e.g. kg, cm, years). Treadmill Pace Calculator Treadmill Pace Calculator is a health and wellness calculator that helps you calculate treadmill pace values from your input data. The formula used is: Pace = 3600 ÷ speed (km/h); incline adds ~3.3% effort per 1% grade. Enter values using the units shown next to each input field (e.g. kg, cm, years). VDOT Running Calculator VDOT Running Calculator is a health and wellness calculator that helps you calculate vdot running values from your input data. The formula used is: VDOT = VO2 ÷ %max, using the Daniels-Gilbert velocity and intensity equations. Enter values using the units shown next to each input field (e.g. kg, cm, years). Vertical Jump Calculator Vertical Jump Calculator is a health and wellness calculator that helps you calculate vertical jump values from your input data. The formula used is: Jump = jump reach − standing reach; Power = 60.7·jump(cm) + 45.3·weight − 2055. Enter values using the units shown next to each input field (e.g. kg, cm, years). Wilks Score Calculator Wilks Score Calculator is a health and wellness calculator that helps you calculate academic scores or grade equivalents. The formula used is: Wilks score = total × 500 ÷ (polynomial of body weight). Enter values using the units shown next to each input field (e.g. kg, cm, years). Workout Volume Calculator Workout Volume Calculator is a health and wellness calculator that helps you calculate the volume of a three-dimensional shape or container. The formula used is: Volume = sets × reps × weight. Enter values using the units shown next to each input field (e.g. kg, cm, years).

BEE Calculator Estimate Basal Energy Expenditure (BEE) — the calories your body burns at complete rest — using the revised Harris-Benedict equation. It also estimates Total Energy Expenditure (TEE) for hospitalised patients by applying stress factors for minor, moderate and severe illness. Enter sex, age, weight and height to get the figures. BMR Calculator Calculate your Basal Metabolic Rate (BMR) — the calories your body burns at complete rest — using the Mifflin-St Jeor equation. Enter your sex, age, weight, and height to see your daily resting calorie needs. Calorie Calculator Find out how many calories you need each day to lose, maintain, or gain weight. This calculator estimates your BMR with the Mifflin-St Jeor equation, multiplies by your activity level to get your maintenance calories (TDEE), then adjusts for your goal so you get a daily calorie target you can actually eat to. Calorie Deficit Calculator See how fast you'll lose weight from a calorie deficit. Enter your maintenance calories (TDEE) and how much you plan to eat each day, and this calculator shows your daily deficit plus your projected weekly and monthly weight loss — and how long it takes to drop each kilogram. Carb Calculator Find out how many grams of carbohydrates to eat per day for your calorie target. Enter your daily calories and the share you want from carbs, and this calculator converts that into grams (carbs supply 4 kcal per gram) and shows the diet category and calories left for protein and fat. Daily Micronutrient Intake Calculator Estimate daily micronutrient requirements (RDA). Based on age & sex. Does not account for special conditions; consult nutritionist. Fat Intake Calculator Fat Intake Calculator is a health and wellness calculator that helps you calculate fat intake values from your input data. The formula used is: Fat (g/day) = (Total Calories × Fat%) ÷ 9. Enter values using the units shown next to each input field (e.g. kg, cm, years). Fiber Intake Calculator Fiber Intake Calculator is a health and wellness calculator that helps you calculate fiber intake values from your input data. The formula used is: Caloric method: 14 g per 1,000 kcal\nDRI: Men ≤50: 38 g/day; Men >50: 30 g/day; Women ≤50: 25 g/day; Women >50: 21 g/day. Enter values using the units shown next to each input field (e.g. kg, cm, years). Harris-Benedict BMR Calculator Calculate your Basal Metabolic Rate using the classic Harris-Benedict equation. Enter your sex, weight, height, and age to see the calories your body burns at rest each day. Harris-Benedict Calculator Harris-Benedict Calculator is a health and wellness calculator that helps you calculate harris-benedict values from your input data. The formula used is: Male: 88.362 + 13.397×W + 4.799×H − 5.677×A\nFemale: 447.593 + 9.247×W + 3.098×H − 4.330×A. Enter values using the units shown next to each input field (e.g. kg, cm, years). IIFYM Calculator IIFYM Calculator is a health and wellness calculator that helps you calculate iifym values from your input data. The formula used is: Protein (g) = Calories × P% ÷ 4\nCarbs (g) = Calories × C% ÷ 4\nFat (g) = Calories × F% ÷ 9. Enter values using the units shown next to each input field (e.g. kg, cm, years). Katch-McArdle BMR Calculator Calculate your Basal Metabolic Rate from your lean body mass using the Katch-McArdle formula. Enter your weight and body fat percentage to see your resting calorie needs and lean mass. Katch-McArdle Calculator Katch-McArdle Calculator is a health and wellness calculator that helps you calculate katch-mcardle values from your input data. The formula used is: BMR = 370 + (21.6 × LBM)\nLBM = body weight × (1 − body fat % / 100). Enter values using the units shown next to each input field (e.g. kg, cm, years). Keto Calculator Keto Calculator is a health and wellness calculator that helps you calculate keto values from your input data. The formula used is: Keto macros: 5% carbs / 25% protein / 70% fat\nNet carbs capped at 50 g/day max. Enter values using the units shown next to each input field (e.g. kg, cm, years). Macro Calculator Macro Calculator is a health and wellness calculator that helps you calculate macro values from your input data. The formula used is: Protein = 30% of target calories ÷ 4\nCarbs = 40% of target calories ÷ 4\nFat = 30% of target calories ÷ 9. Enter values using the units shown next to each input field (e.g. kg, cm, years). Maintenance Calorie Calculator Maintenance Calorie Calculator is a health and wellness calculator that helps you calculate calorie values based on body data or activity level. The formula used is: Maintenance = BMR × Activity Factor (Mifflin-St Jeor). Enter values using the units shown next to each input field (e.g. kg, cm, years). Net Carbs Calculator Net Carbs Calculator is a health and wellness calculator that helps you calculate net carbs values from your input data. The formula used is: Net Carbs = Total Carbs − Dietary Fibre − (Sugar Alcohols × factor). Enter values using the units shown next to each input field (e.g. kg, cm, years). Protein Calculator Protein Calculator is a health and wellness calculator that helps you calculate protein values from your input data. The formula used is: Protein (g/day) = body weight (kg) × g/kg multiplier. Enter values using the units shown next to each input field (e.g. kg, cm, years). RMR Calculator RMR Calculator is a health and wellness calculator that helps you calculate rmr values from your input data. The formula used is: RMR ≈ BMR (Mifflin-St Jeor)\nMale: 10W + 6.25H − 5A + 5\nFemale: 10W + 6.25H − 5A − 161. Enter values using the units shown next to each input field (e.g. kg, cm, years). Sodium & Salt Calculator Sodium & Salt Calculator is a health and wellness calculator that helps you calculate sodium & salt values from your input data. The formula used is: Sodium (mg) = Salt (g) × 393\nSalt (g) = Sodium (mg) ÷ 393. Enter values using the units shown next to each input field (e.g. kg, cm, years). Sugar Intake Calculator Sugar Intake Calculator is a health and wellness calculator that helps you calculate sugar intake values from your input data. The formula used is: WHO max = 10% of total calories ÷ 4 g/kcal\nAHA: ≤36 g/day (men), ≤25 g/day (women). Enter values using the units shown next to each input field (e.g. kg, cm, years). TDEE Calculator Calculate your Total Daily Energy Expenditure (TDEE) — the total calories you burn in a day including exercise. This is your maintenance calorie number. Weight Gain Calculator Weight Gain Calculator is a health and wellness calculator that helps you calculate weight values or weight conversions between unit systems. The formula used is: Target = TDEE + Surplus\nWeekly gain (kg) = Surplus × 7 / 7,700. Enter values using the units shown next to each input field (e.g. kg, cm, years).

Benadryl Dosage Calculator Estimate a weight-based dose of Benadryl (diphenhydramine) using the common guideline of about 1 mg per kg of body weight per dose, capped at the usual adult maximum. Enter the body weight and the liquid concentration to see the dose in milligrams and in millilitres. This is an educational estimate only — always confirm dosing with a pharmacist or doctor and the product label. Benzodiazepine Conversion Calculator Convert a dose of one benzodiazepine into an approximately equivalent dose of another, using standard diazepam-equivalent values. Choose the drug you're converting from, the drug you're converting to, and the dose. The calculator first works out the diazepam-equivalent dose, then the equivalent dose of the target drug. These are approximate guides only — always have a clinician supervise any benzodiazepine switch or taper. Bicarbonate Deficit Calculator Estimate the bicarbonate (HCO₃⁻) deficit in a patient with metabolic acidosis, used to guide how much sodium bicarbonate might be needed to correct it. The standard formula multiplies a distribution factor (about 0.4–50% of body weight) by the gap between the target and measured serum bicarbonate. Enter the weight and the measured and target bicarbonate levels to get the deficit in mEq.

Benadryl Dosage for Dogs Calculator Estimate a weight-based dose of Benadryl (diphenhydramine) for a dog using the common veterinary guideline of about 1 mg per pound of body weight, given 2–3 times a day. Enter your dog's weight and the tablet strength to see the dose in milligrams and the number of tablets. This is an educational estimate only — always confirm dosing with your veterinarian before giving any medication.

Berg Balance Scale Calculator Score the Berg Balance Scale (BBS), a 14-item test that measures static and dynamic balance in adults. Each task is rated from 0 (unable) to 4 (independent), giving a total out of 56. Higher scores mean better balance; lower totals are linked with a greater risk of falls. Enter the score for each of the 14 items to get the total and an interpretation band.

Biological Age Calculator Estimate your biological age — how old your body acts compared with your years — from lifestyle factors. Start with your chronological age, then adjust for smoking, exercise, diet, and sleep to see whether your habits add or subtract years. Body Roundness Index (BRI) Calculator Calculate your Body Roundness Index (BRI), a measure of body shape based on waist and height that estimates body and visceral fat. Enter your waist and height to see your BRI and how round your body profile is. Dog Years Calculator The Dog Years Calculator converts your dog's age into the equivalent in human years. It uses a common rule of thumb: the first two years count as about 10.5 human years each (21 total), and every year after that adds roughly 4 human years. Fall Risk Checklist Calculator Fall Risk Checklist Calculator is a health and wellness calculator that helps you calculate fall risk checklist values from your input data. The formula used is: Count of present fall risk factors. Enter values using the units shown next to each input field (e.g. kg, cm, years). Fracture Risk Factor Counter Fracture Risk Factor Counter is a health and wellness calculator that helps you calculate fracture risk factor counter values from your input data. The formula used is: Count of present major fracture risk factors. Enter values using the units shown next to each input field (e.g. kg, cm, years). Framingham Risk Score Calculator Calculate 10-year risk of coronary heart disease using the Framingham Risk Score (ATP III points system). Enter age, sex, cholesterol, HDL, BP, smoking, and BP treatment status to get your risk category and point score. Generation Calculator Generation Calculator is a health and wellness calculator that helps you calculate the ratio between two numbers in simplified form. The formula used is: Generation determined by commonly used birth-year ranges. Enter values using the units shown next to each input field (e.g. kg, cm, years). Half Your Age Plus Seven Calculator Half Your Age Plus Seven Calculator is a health and wellness calculator that helps you calculate the socially acceptable dating age range using the half-your-age-plus-seven rule. The formula used is: Minimum = age ÷ 2 + 7; Maximum = (age − 7) × 2. Enter values using the units shown next to each input field (e.g. kg, cm, years). HAS-BLED Score Calculator HAS-BLED Score Calculator is a health and wellness calculator that helps you calculate academic scores or grade equivalents. The formula used is: 1 point each: HTN, renal, liver, stroke, bleeding, labile INR, age>65, drugs, alcohol. Enter values using the units shown next to each input field (e.g. kg, cm, years). Life Expectancy Calculator Life Expectancy Calculator is a health and wellness calculator that helps you calculate life expectancy values from your input data. The formula used is: Remaining = expected total age − current age (population average). Enter values using the units shown next to each input field (e.g. kg, cm, years). Metabolic Syndrome Calculator Metabolic Syndrome Calculator is a health and wellness calculator that helps you calculate metabolic syndrome values from your input data. The formula used is: ≥3 of: large waist, TG ≥150, low HDL, BP ≥130 systolic, glucose ≥100. Enter values using the units shown next to each input field (e.g. kg, cm, years). Osteoporosis Self-Assessment (OST) Calculator Osteoporosis Self-Assessment (OST) Calculator is a health and wellness calculator that helps you calculate osteoporosis self-assessment (ost) values from your input data. The formula used is: OST = 0.2 × (weight in kg − age in years), truncated. Enter values using the units shown next to each input field (e.g. kg, cm, years). Relative Fat Mass (RFM) Calculator Relative Fat Mass (RFM) Calculator is a health and wellness calculator that helps you calculate relative fat mass (rfm) values from your input data. The formula used is: RFM = 64 − (20 × height ÷ waist) + (12 if female). Enter values using the units shown next to each input field (e.g. kg, cm, years). Retirement Countdown Calculator Retirement Countdown Calculator is a health and wellness calculator that helps you calculate retirement countdown values from your input data. The formula used is: Years to retirement = retirement age − current age. Enter values using the units shown next to each input field (e.g. kg, cm, years). Sarcopenia Risk (SARC-F) Calculator Sarcopenia Risk (SARC-F) Calculator is a health and wellness calculator that helps you calculate sarcopenia risk (sarc-f) values from your input data. The formula used is: Sum of 5 items, each 0–2 (Strength, Assistance walking, Rise, Climb stairs, Falls). Enter values using the units shown next to each input field (e.g. kg, cm, years). Smoking Cost Calculator Smoking Cost Calculator is a health and wellness calculator that helps you calculate smoking cost values from your input data. The formula used is: Daily cost = (cigarettes ÷ 20) × price per pack. Enter values using the units shown next to each input field (e.g. kg, cm, years). Smoking Pack-Years Calculator Smoking Pack-Years Calculator is a health and wellness calculator that helps you calculate smoking pack-years values from your input data. The formula used is: Pack-years = (cigarettes per day ÷ 20) × years smoked. Enter values using the units shown next to each input field (e.g. kg, cm, years).

Birth Control Cost Calculator Estimate what your contraception adds up to over time. Enter your recurring monthly cost (and any one-off setup or device fee), and this calculator works out the monthly, annual, and total spend across the years you plan to use it.

Bladder Volume Calculator Estimate bladder volume from ultrasound measurements using the ellipsoid formula. Enter the bladder's width, height (cranio-caudal), and depth in centimetres, and this calculator returns the approximate volume in millilitres. Post-Void Residual Volume Assess post-void residual (PVR) urine volume. Normal <100 mL; elevated = retention risk. Formula: PVR (mL) measured via ultrasound. Clinical reference only. PSA Density Calculator Calculate PSA density: PSA level divided by prostate volume. Used in prostate cancer screening to distinguish normal PSA elevation (large prostate) from cancer risk. PSA density > 0.15 ng/mL/cc may indicate higher cancer risk.

Blood Alcohol Content (BAC) Estimator Estimate your blood alcohol content (BAC) with the Widmark formula. Enter how many grams of pure alcohol you drank, your body weight, your sex, and how long ago you started, and this calculator returns a rough BAC percentage.

Blood Plasma Volume Calculator Blood Plasma Volume Calculator estimates total plasma volume based on body weight. Formula: Plasma Volume (mL) ≈ 40 × Body Weight (kg); or refine by gender (males ~4.5% BW, females ~4.0% BW).

Blood Type Calculator Determine possible child blood types and Rh factor from parent blood types based on ABO and Rh genetics.

BMI Calculator Popular Calculate your Body Mass Index (BMI) from your height and weight and see which category it falls into. Enter your weight and height and this calculator returns your BMI, its category, and the healthy weight range for your height. BMI Calculator for Kids Find a child's BMI and see where it sits on the CDC growth charts. Enter your child's sex, age, weight, and height, and this calculator returns their BMI plus the underweight, healthy, overweight, and obese ranges for their age and sex. BMI Calculator for Men Calculate your BMI along with estimated body fat and ideal weight, tuned for men. Enter your age, weight, and height to see your BMI and category, a Deurenberg body-fat estimate, your Hamwi ideal body weight, and your healthy weight range. BMI Calculator for Teens Find a teenager's BMI and see where it sits on the CDC growth charts for ages 10–19. Enter sex, age, weight, and height, and this calculator returns the BMI plus the underweight, healthy, overweight, and obese ranges for that age and sex. BMI Calculator for Women Calculate your Body Mass Index and see which category it falls into. Enter your weight and height, and this calculator returns your BMI, its category, and the healthy weight range for your height. BMI Weight Loss Calculator See your current BMI and how much weight you would need to lose to reach a healthy range. Enter your weight and height, and this calculator returns your BMI, its category, the healthy weight range for your height, and the weight to lose to reach a BMI of 24.9. Child BMI Percentile Calculator Find a child's BMI and which CDC percentile category it falls into. Enter the child's sex, age, weight, and height, and this calculator returns their BMI plus the underweight, healthy, overweight, and obese ranges for their age and sex.

BMI in Pregnancy Calculator Work out your pre-pregnancy BMI and see the recommended weight gain for a healthy pregnancy. Enter your pre-pregnancy weight and height, and this calculator returns your BMI, its category, and the Institute of Medicine (IOM) total weight-gain range for a single baby. Pregnancy BMI Calculator BMI calculator during pregnancy. BMI = weight(kg) ÷ height(m)². Pregnancy Due Date Calculator Pregnancy Due Date Calculator is a health and wellness calculator that helps you estimate a pregnancy due date and current gestational age from the last menstrual period. The formula used is: Due date = LMP + 280 days, adjusted by (cycle length − 28) days (Naegele's rule). Pick the first day of your last menstrual period (LMP) and your average cycle length. Pregnancy Test Accuracy at 3 Weeks Assess pregnancy test accuracy at 3 weeks post-conception. Tests are most accurate 12-14 days after ovulation when hCG levels are elevated. At 3 weeks, sensitivity varies by test type (typical 20-50% detection rate). Pregnancy Test Calculator Calculate pregnancy test reliability based on days after conception and hCG levels. Tests are most accurate 12-14 days after ovulation when hCG is elevated. Use this to understand test accuracy timing. Reverse Due Date Calculator Reverse Due Date Calculator is a health and wellness calculator that helps you work backwards from a due date to estimate the last period and conception dates. The formula used is: LMP = Due date − 280 days; Conception ≈ Due date − 266 days. Pick the estimated due date.

BODE Index (COPD) Calculate the BODE index to predict mortality in COPD patients.

Botox Units Estimator Estimate the typical number of botulinum toxin (Botox) units used to treat a given facial area. Pick a treatment area to see the usual onabotulinumtoxinA unit range — a guide for planning and budgeting, not a prescription. Burn Percentage Calculator (Rule of Nines) Estimate the total body surface area (TBSA) burned in an adult using the Rule of Nines. Mark each affected body region to add up the percentage burned — a fast emergency estimate used to guide fluid resuscitation. Seek immediate medical care for any significant burn. Fitzpatrick Skin Type Calculator Fitzpatrick Skin Type Calculator is a health and wellness calculator that helps you calculate fitzpatrick skin type values from your input data. The formula used is: Sum of 5 pigmentation/sun-reaction items (0–4 each) mapped to phototype I–VI. Enter values using the units shown next to each input field (e.g. kg, cm, years). SPF Protection Time Calculator SPF Protection Time Calculator is a health and wellness calculator that helps you calculate spf protection time values from your input data. The formula used is: Protection time = baseline burn time × SPF. Enter values using the units shown next to each input field (e.g. kg, cm, years). Sunscreen Amount Calculator Sunscreen Amount Calculator is a health and wellness calculator that helps you calculate sunscreen amount values from your input data. The formula used is: Daily use = per-application amount × applications; Bottle days = bottle ÷ daily use. Enter values using the units shown next to each input field (e.g. kg, cm, years). Tattoo Cost Estimator Tattoo Cost Estimator is a health and wellness calculator that helps you calculate tattoo cost estimator values from your input data. The formula used is: Cost = max(hours × hourly rate, shop minimum). Enter values using the units shown next to each input field (e.g. kg, cm, years). Tattoo Removal Sessions Estimator Tattoo Removal Sessions Estimator is a health and wellness calculator that helps you calculate tattoo removal sessions estimator values from your input data. The formula used is: Kirby-Desai style: sum of factor scores ≈ estimated number of laser sessions. Enter values using the units shown next to each input field (e.g. kg, cm, years).

Bra Size Calculator Estimate your bra size from your underbust (band) and bust measurements. The band comes from your underbust rounded to the nearest even inch, and the cup from the difference between bust and underbust — about one cup size per inch. Breast Milk Storage Calculator Find out how long expressed breast milk stays safe and when to use it by. Enter the date and time you expressed the milk and choose where it's stored to get a use-by date based on standard storage guidelines. Egg Count / Ovarian Reserve Estimator Egg Count / Ovarian Reserve Estimator is a health and wellness calculator that helps you calculate an estimate of ovarian reserve (egg supply) by age. The formula used is: Population-average egg supply declines with age (illustrative model).. Enter values using the units shown next to each input field (e.g. kg, cm, years). Fertility by Age Calculator Fertility by Age Calculator is a health and wellness calculator that helps you calculate the estimated monthly and yearly chance of conception by age. The formula used is: Yearly chance = 1 − (1 − monthly chance)^12. Enter values using the units shown next to each input field (e.g. kg, cm, years). Folic Acid Intake Calculator Folic acid intake calculator for pregnancy planning and prenatal care. Recommended folic acid dosage varies by life stage: 400 µg daily for general adults, 5 mg (5000 µg) for high-risk pregnancies with history of neural tube defects or diabetes. Start supplementation at least 1 month before conception. Follicular Phase Calculator Calculate the length of the follicular phase of your menstrual cycle. Enter the day ovulation occurs (relative to day 1 of menstruation) to see your follicular phase length and how it compares to typical ranges (11–21 days). Follicular phase is the most variable part of the cycle. Iron Deficiency Risk Calculator Iron Deficiency Risk Calculator is a health and wellness calculator that helps you calculate iron deficiency risk values from your input data. The formula used is: Risk score = count of symptoms and risk factors present.. Enter values using the units shown next to each input field (e.g. kg, cm, years). Iron Intake Calculator (Women) Iron Intake Calculator (Women) is a health and wellness calculator that helps you calculate iron intake calculator (women) values from your input data. The formula used is: RDA varies by life stage: menstruating 18 mg, pregnant 27 mg, post-menopause 8 mg.. Enter values using the units shown next to each input field (e.g. kg, cm, years). Late Period Calculator Late Period Calculator is a health and wellness calculator that helps you calculate late period values from your input data. The formula used is: Days late = today − (last period start + cycle length). Enter values using the units shown next to each input field (e.g. kg, cm, years). Luteal Phase Calculator Luteal Phase Calculator is a health and wellness calculator that helps you calculate pH or pOH from ion concentrations. The formula used is: Luteal phase = Cycle length − Ovulation day. Enter values using the units shown next to each input field (e.g. kg, cm, years). Menopause Age Calculator Menopause Age Calculator is a health and wellness calculator that helps you calculate your estimated age at menopause based on family history and lifestyle. The formula used is: Estimate ≈ Mother's menopause age (adjusted for smoking).. Enter values using the units shown next to each input field (e.g. kg, cm, years). Menopause Symptom Score Menopause Symptom Score is a health and wellness calculator that helps you calculate academic scores or grade equivalents. The formula used is: Total score = sum of symptom ratings (0 = none, 3 = severe).. Enter values using the units shown next to each input field (e.g. kg, cm, years). Menstrual Blood Loss Calculator Menstrual Blood Loss Calculator is a health and wellness calculator that helps you calculate a blood-related health metric. The formula used is: Estimated loss ≈ (pads + tampons + large clots) × 5 mL each. Enter values using the units shown next to each input field (e.g. kg, cm, years). Menstrual Cup Size Calculator Menstrual Cup Size Calculator is a health and wellness calculator that helps you calculate menstrual cup size values from your input data. The formula used is: Larger size suggested with age 30+, vaginal birth, or heavy flow.. Enter values using the units shown next to each input field (e.g. kg, cm, years). Menstrual Cycle Day Calculator Menstrual Cycle Day Calculator is a health and wellness calculator that helps you calculate menstrual cycle day values from your input data. The formula used is: Cycle day = (days since last period start) mod cycle length + 1. Enter values using the units shown next to each input field (e.g. kg, cm, years). Menstrual Cycle Length Calculator Menstrual Cycle Length Calculator is a health and wellness calculator that helps you calculate menstrual cycle length values from your input data. The formula used is: Cycle length = days between consecutive period start dates; average them.. Enter values using the units shown next to each input field (e.g. kg, cm, years). Period Calculator Period Calculator is a health and wellness calculator that helps you calculate period values from your input data. The formula used is: Next period = LMP + cycle length\nOvulation = LMP + (cycle length − 14). Enter values using the units shown next to each input field (e.g. kg, cm, years). Period Length Calculator Period Length Calculator is a health and wellness calculator that helps you calculate period length values from your input data. The formula used is: Period length = (last day − first day) + 1. Enter values using the units shown next to each input field (e.g. kg, cm, years). PMS Date Calculator PMS Date Calculator is a health and wellness calculator that helps you calculate date differences, days between dates, or future/past dates. The formula used is: PMS window = (next period − 7 days) to next period. Enter values using the units shown next to each input field (e.g. kg, cm, years). Pregnancy Chance Calculator Pregnancy Chance Calculator is a health and wellness calculator that helps you calculate a pregnancy or fetal development metric. The formula used is: Chance depends on fertile-window timing, adjusted for age.. Enter values using the units shown next to each input field (e.g. kg, cm, years). Safe Period Calculator Safe Period Calculator is a health and wellness calculator that helps you calculate safe period values from your input data. The formula used is: Calendar method: First fertile day = shortest cycle − 18; Last fertile day = longest cycle − 11. Enter values using the units shown next to each input field (e.g. kg, cm, years).

Braden Scale (Pressure Ulcer Risk) Calculate the Braden Scale score to assess a patient's risk of developing pressure ulcers (bedsores). Rate the six subscales to get a total score from 6 to 23 — the lower the score, the higher the risk.

Breast Cancer Prognosis (Nottingham Prognostic Index) Estimate breast cancer prognosis using the Nottingham Prognostic Index (NPI), a widely used score based on tumour size, lymph node involvement, and tumour grade. Enter the three factors to see the NPI value and its prognostic group. Breast Cancer Risk Factor Calculator Get an educational estimate of your breast cancer risk level by tallying well-established risk factors such as age, family history, and breast density. This screening guide highlights whether a conversation with your doctor about earlier or extra screening may be worthwhile. MIPI Calculator (Mantle Cell Lymphoma) The MIPI Calculator computes the Mantle Cell Lymphoma International Prognostic Index from age, ECOG performance status, LDH ratio, and white cell count, and assigns a risk group. For clinical education only.

Caffeine Calculator Calculate total daily caffeine intake from multiple sources and assess safety level based on FDA guidelines.

Caffeine Half-Life Calculator See how much caffeine is still in your system after a given time. Enter your caffeine dose, the hours that have passed, and caffeine's half-life to find the amount remaining and how long until it drops to a sleep-friendly 50 mg. Caffeine Limit Calculator Find your safe daily caffeine limit based on body weight. Enter your weight to get a recommended maximum per day (capped at the FDA's 400 mg for healthy adults) and a sensible per-dose limit. Energy Balance Calculator Energy Balance Calculator is a health and wellness calculator that helps you calculate mechanical energy from mass and velocity or height. The formula used is: Balance = calories in − calories out; weekly weight change ≈ balance × 7 / 7700 kg. Enter values using the units shown next to each input field (e.g. kg, cm, years). Jet Lag Recovery Calculator Jet Lag Recovery Calculator is a health and wellness calculator that helps you calculate jet lag recovery values from your input data. The formula used is: Recovery days ≈ zones crossed / (1 per day eastward, 1.5 per day westward). Enter values using the units shown next to each input field (e.g. kg, cm, years). Melatonin Dosage Guide Melatonin Dosage Guide is a health and wellness calculator that helps you calculate an appropriate melatonin dose for sleep based on general dosing guidance. The formula used is: Doses are based on general sleep-medicine guidance, not a calculated formula.. Enter values using the units shown next to each input field (e.g. kg, cm, years). Nap Length Calculator Nap Length Calculator is a health and wellness calculator that helps you calculate nap length values from your input data. The formula used is: Nap length is chosen to either stay in light sleep (10–20 min) or complete a full cycle (~90 min).. Enter values using the units shown next to each input field (e.g. kg, cm, years). Sleep Cycle Calculator Sleep Cycle Calculator is a health and wellness calculator that helps you calculate sleep duration, cycles, or bedtime recommendations. The formula used is: Bedtime = wake time − (cycles × 90 min + 15 min to fall asleep). Enter values using the units shown next to each input field (e.g. kg, cm, years). Sleep Debt Calculator Sleep Debt Calculator is a health and wellness calculator that helps you calculate sleep duration, cycles, or bedtime recommendations. The formula used is: Sleep debt = (sleep need − actual sleep) × number of days. Enter values using the units shown next to each input field (e.g. kg, cm, years). Sleep Efficiency Calculator Sleep Efficiency Calculator is a health and wellness calculator that helps you calculate sleep duration, cycles, or bedtime recommendations. The formula used is: Sleep efficiency = time asleep / time in bed × 100. Enter values using the units shown next to each input field (e.g. kg, cm, years). Sleep Need by Age Calculator Sleep Need by Age Calculator is a health and wellness calculator that helps you calculate the recommended amount of sleep for your age. The formula used is: Recommended sleep is taken from National Sleep Foundation age-band guidelines.. Enter values using the units shown next to each input field (e.g. kg, cm, years). Sleep Stages Calculator Sleep Stages Calculator is a health and wellness calculator that helps you calculate the approximate time spent in each sleep stage from your total sleep. The formula used is: Approximate split of total sleep: 50% light, 20% deep, 25% REM, 5% awake. Enter values using the units shown next to each input field (e.g. kg, cm, years).

Carboplatin Dose Calculator (Calvert Formula) Calculate a carboplatin chemotherapy dose with the Calvert formula. Enter the target AUC and the patient's GFR (or creatinine clearance), and this calculator returns the total dose in milligrams: dose = AUC × (GFR + 25).

Cefdinir Dosage Calculator Cefdinir Dosage Calculator is a health and wellness calculator that helps you calculate the correct cefdinir antibiotic dose based on body weight. The formula used is: Max daily: 660 mg. Enter values using the units shown next to each input field (e.g. kg, cm, years). Centor Calculator Centor Calculator is a health and wellness calculator that helps you calculate centor values from your input data. The formula used is: Cents = Ares × 100. Enter values using the units shown next to each input field (e.g. kg, cm, years). Cerebral Perfusion Pressure Calculator Cerebral Perfusion Pressure Calculator is a health and wellness calculator that helps you calculate a blood-related health metric. The formula used is: P = F/A. Enter values using the units shown next to each input field (e.g. kg, cm, years). Child Height Percentile Calculator Child Height Percentile Calculator is a health and wellness calculator that helps you calculate a percentage from a part and a whole, or a percentage change. The formula used is: (Part ÷ Whole) × 100. Enter values using the units shown next to each input field (e.g. kg, cm, years). Child Weight Percentile Calculator Child Weight Percentile Calculator is a health and wellness calculator that helps you calculate a percentage from a part and a whole, or a percentage change. The formula used is: (Part ÷ Whole) × 100. Enter values using the units shown next to each input field (e.g. kg, cm, years). Circadian Rhythm Calculator Circadian Rhythm Calculator is a health and wellness calculator that helps you calculate circadian rhythm values from your input data. The formula used is: Cycles = (Hours × 60) ÷ Cycle Length. Enter values using the units shown next to each input field (e.g. kg, cm, years). Denver Hiv Risk Calculator Denver Hiv Risk Calculator is a health and wellness calculator that helps you calculate denver hiv risk values from your input data. The formula used is: Assess antiretroviral therapy response. Enter values using the units shown next to each input field (e.g. kg, cm, years). Depression Phq Calculator Depression Phq Calculator is a health and wellness calculator that helps you calculate pH or pOH from ion concentrations. The formula used is: pH = -log[H+]. Enter values using the units shown next to each input field (e.g. kg, cm, years). Diabetic Ketoacidosis Calculator Diabetic Ketoacidosis Calculator is a health and wellness calculator that helps you calculate pH or pOH from ion concentrations. The formula used is: pH 7.35-7.45 = Normal. Enter values using the units shown next to each input field (e.g. kg, cm, years). Diffuse Large B Cell Lymphoma Prognosis Calculator Diffuse Large B Cell Lymphoma Prognosis Calculator is a health and wellness calculator that helps you calculate pH or pOH from ion concentrations. The formula used is: Speed = Distance ÷ Time. Enter values using the units shown next to each input field (e.g. kg, cm, years). Dosage Calculator Dosage Calculator is a health and wellness calculator that helps you calculate a medication dose based on body weight and dose per kilogram. The formula used is: Dose = Weight × Dosage per kg. Enter values using the units shown next to each input field (e.g. kg, cm, years). Drip Rate Calculator Drip Rate Calculator is a health and wellness calculator that helps you calculate drip rate values from your input data. The formula used is: (Part ÷ Whole) × 100. Enter values using the units shown next to each input field (e.g. kg, cm, years). Eer Estimated Energy Requirement Calculator Eer Estimated Energy Requirement Calculator is a health and wellness calculator that helps you calculate mechanical energy from mass and velocity or height. The formula used is: KE = ½mv². Enter values using the units shown next to each input field (e.g. kg, cm, years). Eortc Bladder Cancer Calculator Eortc Bladder Cancer Calculator is a health and wellness calculator that helps you calculate eortc bladder cancer values from your input data. The formula used is: A + B. Enter values using the units shown next to each input field (e.g. kg, cm, years). Eosinophil Count Calculator Eosinophil Count Calculator is a health and wellness calculator that helps you calculate pH or pOH from ion concentrations. The formula used is: pH = -log[H+]. Enter values using the units shown next to each input field (e.g. kg, cm, years). Estimate Height In Bedridden Patients Calculator Estimate Height In Bedridden Patients Calculator is a health and wellness calculator that helps you calculate height measurements or conversions between unit systems. The formula used is: Result = Value A × Value B. Enter values using the units shown next to each input field (e.g. kg, cm, years). Excessive Weight Gain Pregnancy Calculator Excessive Weight Gain Pregnancy Calculator is a health and wellness calculator that helps you calculate weight values or weight conversions between unit systems. The formula used is: BMI = Weight ÷ Height². Enter values using the units shown next to each input field (e.g. kg, cm, years). False Negative Pregnancy Test Calculator False Negative Pregnancy Test Calculator is a health and wellness calculator that helps you calculate a pregnancy or fetal development metric. The formula used is: Result = (Input 1 + Input 2) ÷ 2. Enter values using the units shown next to each input field (e.g. kg, cm, years). Fatigue Severity Scale Calculator Fatigue Severity Scale Calculator is a health and wellness calculator that helps you calculate fatigue severity scale values from your input data. The formula used is: Sum of component scores. Enter values using the units shown next to each input field (e.g. kg, cm, years). Gastric Sleeve Weight Loss Calculator Gastric Sleeve Weight Loss Calculator is a health and wellness calculator that helps you calculate weight values or weight conversions between unit systems. The formula used is: BMI = Weight ÷ Height². Enter values using the units shown next to each input field (e.g. kg, cm, years). Geriatric Bmi Calculator Geriatric Bmi Calculator is a health and wellness calculator that helps you calculate your Body Mass Index from height and weight. The formula used is: BMI = Weight ÷ Height². Enter values using the units shown next to each input field (e.g. kg, cm, years). Head Percentile Calculator Head Percentile Calculator is a health and wellness calculator that helps you calculate a percentage from a part and a whole, or a percentage change. The formula used is: (Part ÷ Whole) × 100. Enter values using the units shown next to each input field (e.g. kg, cm, years). Heart Failure Life Expectancy Calculator Heart Failure Life Expectancy Calculator is a health and wellness calculator that helps you calculate heart failure life expectancy values from your input data. The formula used is: Result = (Input 1 + Input 2) ÷ 2. Enter values using the units shown next to each input field (e.g. kg, cm, years). How To Maintain Weight In Pregnancy Calculator How To Maintain Weight In Pregnancy Calculator is a health and wellness calculator that helps you calculate weight values or weight conversions between unit systems. The formula used is: BMI = Weight ÷ Height². Enter values using the units shown next to each input field (e.g. kg, cm, years). Ich Volume Calculator Ich Volume Calculator is a health and wellness calculator that helps you calculate the volume of a three-dimensional shape or container. The formula used is: V = (4/3) × π × r³. Enter values using the units shown next to each input field (e.g. kg, cm, years). Infant Tylenol Dosage Calculator Infant Tylenol Dosage Calculator is a health and wellness calculator that helps you calculate the correct infant Tylenol (acetaminophen) dose based on weight. The formula used is: Max daily: 660 mg. Enter values using the units shown next to each input field (e.g. kg, cm, years). Insulin Dosage Calculator Insulin Dosage Calculator is a health and wellness calculator that helps you calculate an insulin dose based on carbohydrate intake and correction factors. The formula used is: Max daily: 660 mg. Enter values using the units shown next to each input field (e.g. kg, cm, years). Levothyroxine Dosage Calculator Levothyroxine Dosage Calculator is a health and wellness calculator that helps you calculate a levothyroxine dose based on body weight. The formula used is: Max daily: 660 mg. Enter values using the units shown next to each input field (e.g. kg, cm, years). Lights Criteria Calculator Lights Criteria Calculator is a health and wellness calculator that helps you calculate lights criteria values from your input data. The formula used is: λ = c/f. Enter values using the units shown next to each input field (e.g. kg, cm, years). Lung Cancer Risk Calculator For Smokers Calculator Lung Cancer Risk Calculator For Smokers Calculator is a health and wellness calculator that helps you calculate lung cancer risk calculator for smokers values from your input data. The formula used is: Result = (Input 1 + Input 2) ÷ 2. Enter values using the units shown next to each input field (e.g. kg, cm, years). Lung Nodule Growth Rate Calculator Lung Nodule Growth Rate Calculator is a health and wellness calculator that helps you calculate lung nodule growth rate values from your input data. The formula used is: (Part ÷ Whole) × 100. Enter values using the units shown next to each input field (e.g. kg, cm, years). Lymphocyte Count Calculator Lymphocyte Count Calculator is a health and wellness calculator that helps you calculate pH or pOH from ion concentrations. The formula used is: Speed = Distance ÷ Time. Enter values using the units shown next to each input field (e.g. kg, cm, years). Maintenance Fluids Children Calculator Maintenance Fluids Children Calculator is a health and wellness calculator that helps you calculate maintenance fluids children values from your input data. The formula used is: Result = (Input 1 + Input 2) ÷ 2. Enter values using the units shown next to each input field (e.g. kg, cm, years). Mcg To Iu Converter Calculator Mcg To Iu Converter Calculator is a health and wellness calculator that helps you calculate a measurement from one unit to an equivalent in another unit. The formula used is: Converted Value = Input Value × Conversion Multiplier. Enter values using the units shown next to each input field (e.g. kg, cm, years). Meal Calorie Calculator Meal Calorie Calculator is a health and wellness calculator that helps you calculate calorie values based on body data or activity level. The formula used is: Q = mcΔT. Enter values using the units shown next to each input field (e.g. kg, cm, years). Medicine 3 Times A Day Calculator Medicine 3 Times A Day Calculator is a health and wellness calculator that helps you calculate medicine 3 times a day values from your input data. The formula used is: Total Minutes = (Hours × 60) + Minutes. Enter values using the units shown next to each input field (e.g. kg, cm, years). Metastatic Prostate Cancer Prognosis Calculator Metastatic Prostate Cancer Prognosis Calculator is a health and wellness calculator that helps you calculate metastatic prostate cancer prognosis values from your input data. The formula used is: Result = (Input 1 + Input 2) ÷ 2. Enter values using the units shown next to each input field (e.g. kg, cm, years). Mitral Valve Area Calculator Mitral Valve Area Calculator is a health and wellness calculator that helps you calculate the area of a geometric shape from its dimensions. The formula used is: Area = π × r². Enter values using the units shown next to each input field (e.g. kg, cm, years). Mmol L To Mg Dl Calculator Mmol L To Mg Dl Calculator is a health and wellness calculator that helps you calculate mmol l to mg dl values from your input data. The formula used is: M = n/V. Enter values using the units shown next to each input field (e.g. kg, cm, years). Mortality Rate Calculator Mortality Rate Calculator is a health and wellness calculator that helps you calculate mortality rate values from your input data. The formula used is: (Part ÷ Whole) × 100. Enter values using the units shown next to each input field (e.g. kg, cm, years). Pediatric Blood Pressure Calculator Pediatric Blood Pressure Calculator is a health and wellness calculator that helps you calculate a blood-related health metric. The formula used is: P = F/A. Enter values using the units shown next to each input field (e.g. kg, cm, years). Pediatric Blood Volume Calculator Pediatric Blood Volume Calculator is a health and wellness calculator that helps you calculate the volume of a three-dimensional shape or container. The formula used is: V = (4/3) × π × r³. Enter values using the units shown next to each input field (e.g. kg, cm, years). Pediatric Epinephrine Dose Calculator Pediatric Epinephrine Dose Calculator is a health and wellness calculator that helps you calculate pH or pOH from ion concentrations. The formula used is: pH = -log[H+]. Enter values using the units shown next to each input field (e.g. kg, cm, years). Pediatric Epworth Sleepiness Scale Calculator Pediatric Epworth Sleepiness Scale Calculator is a health and wellness calculator that helps you calculate sleep duration, cycles, or bedtime recommendations. The formula used is: Cycles = (Hours × 60) ÷ Cycle Length. Enter values using the units shown next to each input field (e.g. kg, cm, years). Peptide Dosage Calculator Peptide Dosage Calculator is a health and wellness calculator that helps you calculate a peptide dose based on body weight and concentration. The formula used is: Max daily: 660 mg. Enter values using the units shown next to each input field (e.g. kg, cm, years). Plasma Osmolality Calculator Plasma Osmolality Calculator is a health and wellness calculator that helps you calculate molar concentration of a chemical solution. The formula used is: M = n/V. Enter values using the units shown next to each input field (e.g. kg, cm, years). Positive Pregnancy Test Calculator Positive Pregnancy Test Calculator is a health and wellness calculator that helps you calculate a pregnancy or fetal development metric. The formula used is: Result = (Input 1 + Input 2) ÷ 2. Enter values using the units shown next to each input field (e.g. kg, cm, years). Psa Doubling Time Calculator Psa Doubling Time Calculator is a health and wellness calculator that helps you calculate psa doubling time values from your input data. The formula used is: Doubling Time ≈ 70 / Growth Rate %. Enter values using the units shown next to each input field (e.g. kg, cm, years). Rem Sleep Calculator Rem Sleep Calculator is a health and wellness calculator that helps you calculate sleep duration, cycles, or bedtime recommendations. The formula used is: Cycles = (Hours × 60) ÷ Cycle Length. Enter values using the units shown next to each input field (e.g. kg, cm, years). Reticulocyte Count Calculator Reticulocyte Count Calculator is a health and wellness calculator that helps you calculate reticulocyte count values from your input data. The formula used is: Sum of component scores. Enter values using the units shown next to each input field (e.g. kg, cm, years). Simple Calorie Intake Calculator Simple Calorie Intake Calculator is a health and wellness calculator that helps you calculate calorie values based on body data or activity level. The formula used is: Q = mcΔT. Enter values using the units shown next to each input field (e.g. kg, cm, years). Sleep Calculator Sleep Calculator is a health and wellness calculator that helps you calculate sleep duration, cycles, or bedtime recommendations. The formula used is: Cycles = (Hours × 60) ÷ Cycle Length. Enter values using the units shown next to each input field (e.g. kg, cm, years). Sleep Time Calculator Sleep Time Calculator is a health and wellness calculator that helps you calculate sleep duration, cycles, or bedtime recommendations. The formula used is: Cycles = (Hours × 60) ÷ Cycle Length. Enter values using the units shown next to each input field (e.g. kg, cm, years). Social Distancing Calculator Social Distancing Calculator is a health and wellness calculator that helps you calculate social distancing values from your input data. The formula used is: Result = (Input 1 + Input 2) ÷ 2. Enter values using the units shown next to each input field (e.g. kg, cm, years). Sodium Change Calculator Sodium Change Calculator is a health and wellness calculator that helps you calculate sodium change values from your input data. The formula used is: ((New - Old) ÷ Old) × 100. Enter values using the units shown next to each input field (e.g. kg, cm, years). Sodium Correction Rate Calculator Sodium Correction Rate Calculator is a health and wellness calculator that helps you calculate sodium correction rate values from your input data. The formula used is: (Part ÷ Whole) × 100. Enter values using the units shown next to each input field (e.g. kg, cm, years). T E2 Ratio Calculator T E2 Ratio Calculator is a health and wellness calculator that helps you calculate the ratio between two numbers in simplified form. The formula used is: A:B (simplified). Enter values using the units shown next to each input field (e.g. kg, cm, years). Time Of Death Calculator Time Of Death Calculator is a health and wellness calculator that helps you calculate time of death values from your input data. The formula used is: Total Minutes = (Hours × 60) + Minutes. Enter values using the units shown next to each input field (e.g. kg, cm, years). Tramadol Dosage Calculator Tramadol Dosage Calculator is a health and wellness calculator that helps you calculate a tramadol dose based on body weight. The formula used is: Max daily: 660 mg. Enter values using the units shown next to each input field (e.g. kg, cm, years). Twin Pregnancy Weight Gain Calculator Twin Pregnancy Weight Gain Calculator is a health and wellness calculator that helps you calculate weight values or weight conversions between unit systems. The formula used is: BMI = Weight ÷ Height². Enter values using the units shown next to each input field (e.g. kg, cm, years). Tylenol Dosage Calculator Tylenol Dosage Calculator is a health and wellness calculator that helps you calculate a weight-based Tylenol (acetaminophen) dose and its daily maximum. The formula used is: Max daily: 660 mg. Enter values using the units shown next to each input field (e.g. kg, cm, years). Urine Pregnancy Test Calculator Urine Pregnancy Test Calculator is a health and wellness calculator that helps you calculate a pregnancy or fetal development metric. The formula used is: Result = (Input 1 + Input 2) ÷ 2. Enter values using the units shown next to each input field (e.g. kg, cm, years). Us Vaccine Strategy Calculator Us Vaccine Strategy Calculator is a health and wellness calculator that helps you calculate us vaccine strategy values from your input data. The formula used is: (Part ÷ Whole) × 100. Enter values using the units shown next to each input field (e.g. kg, cm, years). Vaccine Queue Australia Calculator Vaccine Queue Australia Calculator is a health and wellness calculator that helps you calculate vaccine queue australia values from your input data. The formula used is: 1 AU = 149,597,870.7 km. Enter values using the units shown next to each input field (e.g. kg, cm, years). Vaccine Queue Philippines Calculator Vaccine Queue Philippines Calculator is a health and wellness calculator that helps you calculate pH or pOH from ion concentrations. The formula used is: pH = -log[H+]. Enter values using the units shown next to each input field (e.g. kg, cm, years). Venous Blood Ph Calculator Venous Blood Ph Calculator is a health and wellness calculator that helps you calculate a blood-related health metric. The formula used is: pH = -log[H+]. Enter values using the units shown next to each input field (e.g. kg, cm, years). Vte Risk Pregnancy Calculator Vte Risk Pregnancy Calculator is a health and wellness calculator that helps you calculate a pregnancy or fetal development metric. The formula used is: Result = (Input 1 + Input 2) ÷ 2. Enter values using the units shown next to each input field (e.g. kg, cm, years). Waist Height Ratio Calculator Waist Height Ratio Calculator is a health and wellness calculator that helps you calculate height measurements or conversions between unit systems. The formula used is: A:B (simplified). Enter values using the units shown next to each input field (e.g. kg, cm, years). Water Deficit Calculator Water Deficit Calculator is a health and wellness calculator that helps you calculate water deficit values from your input data. The formula used is: Hardness = (Ca/40 + Mg/24) × 100. Enter values using the units shown next to each input field (e.g. kg, cm, years). Weight Watchers Points Calculator Weight Watchers Points Calculator is a health and wellness calculator that helps you calculate weight values or weight conversions between unit systems. The formula used is: BMI = Weight ÷ Height². Enter values using the units shown next to each input field (e.g. kg, cm, years). Weight Week By Week Calculator Weight Week By Week Calculator is a health and wellness calculator that helps you calculate weight values or weight conversions between unit systems. The formula used is: BMI = Weight ÷ Height². Enter values using the units shown next to each input field (e.g. kg, cm, years).

Charlson Comorbidity Index Calculate the Charlson Comorbidity Index to predict 10-year mortality based on comorbidities. SAPS II Score SAPS II (Simplified Acute Physiology Score II) - ICU mortality predictor. Score ranges 0-163; higher = worse prognosis. SNAP Score SNAP (Simplified Neuropsychiatric Assessment) - quick mental health screening. Detects anxiety/depression.

Crown Rump Length (CRL) to Gestational Age Crown Rump Length (CRL) Calculator estimates gestational age from fetal crown-rump measurement via ultrasound. CRL is the distance from the top of the fetal head (crown) to the base of the spine (rump), used primarily in the first and early second trimester for accurate dating. Fetal Weight Percentile Calculator Fetal Weight Percentile compares actual weight against gestational age standards. Formula: Estimated GA from AC (abdominal circumference), then compare weight. Enter values using the units shown next to each input field (e.g. kg, cm, years). Mean Sac Diameter Calculator The Mean Sac Diameter Calculator averages the three ultrasound dimensions of a gestational sac and gives a rough gestational age estimate. Enter the length, width and height in millimetres.

Dehydration Fluid Deficit Calculator Calculate fluid deficit in dehydration. Deficit = (Current Na - Normal Na) × TBW / Normal Na

Dental Local Anesthetic Max Dose Calculator Dental Local Anesthetic Max Dose Calculator is a health and wellness calculator that helps you calculate dental local anesthetic max dose values from your input data. The formula used is: Max dose = min(mg/kg × weight, absolute cap); Cartridges = max dose ÷ mg per cartridge. Enter values using the units shown next to each input field (e.g. kg, cm, years). Dental Treatment Cost Estimator (Pakistan) Dental Treatment Cost Estimator (Pakistan) is a health and wellness calculator that helps you calculate dental treatment cost estimator (pakistan) values from your input data. The formula used is: Estimated cost = per-procedure rate × quantity. Enter values using the units shown next to each input field (e.g. kg, cm, years). DMFT Index Calculator (Dental Caries) DMFT Index Calculator (Dental Caries) is a health and wellness calculator that helps you calculate dmft index calculator (dental caries) values from your input data. The formula used is: DMFT = Decayed + Missing + Filled permanent teeth. Enter values using the units shown next to each input field (e.g. kg, cm, years). Fluoride Supplement Dose Calculator (Children) Fluoride supplement dosage calculator for children based on age and water fluoride level. Helps parents and caregivers determine appropriate fluoride supplementation (drops or tablets) to prevent dental cavities, following standard pediatric guidelines.

Estimated Average Glucose (eAG) Calculator The Estimated Average Glucose Calculator converts an HbA1c percentage into an estimated average blood glucose level, in both mg/dL and mmol/L, using the ADAG study formula.

EtG Alcohol / BAC Estimator The EtG / BAC Estimator uses the Widmark formula to estimate peak blood alcohol concentration from drinks, body weight, and sex, and gives a rough EtG urine detection window. For education only.

Exclusive Pumping Calculator The Exclusive Pumping Calculator estimates a baby's daily milk needs and how much to pump per session based on the baby's weight and number of pumping sessions. Enter the weight and sessions per day.

Frailty Index Calculator Simple frailty screening: slower walk speed, reduced grip strength, weight loss.

Fresh Frozen Plasma (FFP) Dose Calculator Calculate FFP units needed. Standard: 10-15 mL/kg or 200-250 mL per unit (~50 mL/unit). GFR Calculator (MDRD) Calculate Glomerular Filtration Rate using MDRD formula (mL/min/1.73m²).

Fundal Height Calculator (Pregnancy) Fundal Height Calculator estimates gestational age from fundal height (distance from symphysis pubis to uterine fundus). Enter fundal height in cm to estimate weeks of gestation and assess fetal growth.

Gabapentin Dosage Calculator Calculate appropriate gabapentin dosage for neuropathic pain, post-herpetic neuralgia, and seizure management. Adjusts for renal function and clinical indication.

Glasses to Contact Lens Power Calculator Glasses to Contact Lens Power Calculator is a health and wellness calculator that helps you calculate a measurement from one unit to an equivalent in another unit. The formula used is: F_contact = F_spectacle ÷ (1 − d × F_spectacle), d in metres. Enter values using the units shown next to each input field (e.g. kg, cm, years). Near PD Calculator (Pupillary Distance) Near PD Calculator (Pupillary Distance) is a health and wellness calculator that helps you calculate distances between two or more points. The formula used is: Near PD ≈ Distance PD − 3 mm; Monocular PD = Distance PD ÷ 2. Enter values using the units shown next to each input field (e.g. kg, cm, years). Spherical Equivalent Calculator Spherical Equivalent Calculator is a health and wellness calculator that helps you calculate pH or pOH from ion concentrations. The formula used is: Spherical Equivalent = Sphere + (Cylinder ÷ 2). Enter values using the units shown next to each input field (e.g. kg, cm, years). Visual Acuity Converter (Snellen / logMAR / Decimal) Visual Acuity Converter (Snellen / logMAR / Decimal) is a health and wellness calculator that helps you calculate a measurement from one unit to an equivalent in another unit. The formula used is: Decimal = 20 ÷ denom; logMAR = log₁₀(denom ÷ 20); Metric = denom × 0.3. Enter values using the units shown next to each input field (e.g. kg, cm, years).

Incidence Rate Calculator Incidence Rate Calculator computes the rate of new cases of disease in a population over a time period. Formula: Incidence Rate = (new cases ÷ population at risk) × (10^n), where n determines the scale (typically 1000 or 100,000). Used in public health surveillance and disease burden estimation.

IQ Percentile Calculator IQ Percentile Calculator converts an IQ score (mean 100, SD 15) to percentile rank. Formula: Percentile = (Z score + 3) / 6 × 100. Enter values using the units shown next to each input field (e.g. kg, cm, years).

Lille Score Calculate Lille Score to predict response to corticosteroid therapy in severe alcoholic hepatitis. Score 0.45 is cutoff: score >0.45 indicates non-responder.

LV Mass Index Calculator Calculate Left Ventricular Mass Index (LVMI) from echocardiography data. LVMI = LV Mass / Body Surface Area. Clinical screening tool for left ventricular hypertrophy.

Mask vs No Mask Risk Calculator The Mask vs No Mask Risk Calculator shows how much a mask reduces your estimated infection risk in a given situation. Enter the baseline risk without a mask and the mask's effectiveness.

Mean Corpuscular Hemoglobin Calculator Calculate Mean Corpuscular Hemoglobin (MCH). MCH = (Hemoglobin × 10) / RBC count. Shows average Hb per red blood cell. Normal: 27-33 pg.

MME Calculator (Morphine Milligram Equivalents) The MME Calculator converts a daily opioid dose into morphine milligram equivalents using standard conversion factors, to help assess overdose risk. For clinical education only. Opioid Conversion Calculator The Opioid Conversion Calculator estimates an equivalent daily dose when switching between opioids, via morphine milligram equivalents. It also suggests a reduced starting dose for incomplete cross-tolerance. For clinical education only.

Montreal Cognitive Assessment (MoCA) Score MoCA scoring calculator for cognitive screening (ages 65+). Scores 26-30 normal; <26 suggests cognitive impairment. Educational reference only.

Morse Fall Scale Morse Fall Scale (MFS) for hospitalized patients. Scores: <25 low, 25-44 moderate, ≥45 high risk. Educational reference; consult clinical guidelines.

Navy Physical Readiness Test (PRT) Score Navy PRT components: 1.5-mile run (timed), push-ups (count), sit-ups (count). Pass = all three meet standards; fail = any below. Fitness reference only.

NEDOCS Score (ED Crowding) National Emergency Department Overcrowding Scale. Scores assess ED overcrowding: 0-60 not crowded, 61-100 crowded, 101-140 severe, >140 disaster. Educational reference. Revised Trauma Score (RTS) Calculator Calculate Revised Trauma Score for rapid trauma patient assessment. Combines GCS, systolic BP, and respiratory rate.

Osteoporosis Risk (FRAX) Estimate osteoporosis risk. Formula: Risk Score based on age, BMD, prior fracture. FRAX model educational reference. Consult physician.

Pakistan Air Force Fitness Calculator Pakistan Air Force Fitness Calculator is a health and wellness calculator that helps you calculate force from mass and acceleration using Newton's Second Law. The formula used is: Pass/Fail assessment based on Pakistan Air Force airman recruitment physical standards.. Enter values using the units shown next to each input field (e.g. kg, cm, years). Pakistan Army Fitness Calculator Pakistan Army Fitness Calculator is a health and wellness calculator that helps you calculate pakistan army fitness values from your input data. The formula used is: Pass/Fail assessment based on Pakistan Army General Duty (Soldier) recruitment standards.\nAll criteria must be passed to qualify.. Enter values using the units shown next to each input field (e.g. kg, cm, years). Pakistan Navy Fitness Calculator Pakistan Navy Fitness Calculator is a health and wellness calculator that helps you calculate pakistan navy fitness values from your input data. The formula used is: Pass/Fail assessment based on Pakistan Navy sailor recruitment physical standards.. Enter values using the units shown next to each input field (e.g. kg, cm, years).

Pearl Index (Contraceptive Efficacy) Calculate Pearl Index for contraceptive efficacy. Formula: (Unintended Pregnancies × 1200) / (Number of Cycles Exposed). Lower is better; typical <1 for IUD/sterilization.

PECARN Head Injury Score PECARN pediatric head injury algorithm for low-risk classification. Determines if CT scan needed. Points: LOC/amnesia/GCS<15/severe mechanism = high risk. Educational; consult clinical guidelines.

Pediatric GFR Calculator (Bedside Schwartz) The Pediatric GFR Calculator estimates a child's glomerular filtration rate using the bedside Schwartz equation from height and serum creatinine.

PG:E2 Ratio Calculator PG:E2 Ratio Calculator computes the simplified ratio between two biomarkers (progesterone to estradiol) using GCD to reduce to lowest terms. Formula: PG:E2 (simplified).

PISA Score Calculator PISA Score Calculator (Postoperative Symptom Assessment) computes recovery and pain score. Formula: Total = symptom1 + symptom2 + pain_level. Scores 0-15; higher = more symptoms.

Prescription Refill Date Calculate prescription refill date. Formula: Refill Date = Last Fill + (Quantity / Daily Dose). Shows when medication runs out. Educational reference.

Protein-to-Creatinine Ratio Calculator Calculate protein-to-creatinine ratio (PCR) from urine test results. PCR > 0.2 g/g (or 22 mg/mmol) indicates significant proteinuria. Used to screen for kidney disease and monitor diabetic nephropathy.

Quarantine Day Activities Plan quarantine day activities. Formula: Remaining Time = 24h - (work + sleep + meals). Organize daily schedule during isolation. Smoker's CTC Cost Estimate CTC (Cost to Company) impact of smoking. Formula: Annual Cost = Cigarettes/Day × Days × Price + Lost Productivity. Smoking Recovery Timeline Timeline of body recovery after quitting smoking. Shows health improvements over time. Sobriety Counter Track sobriety milestone. Calculate time alcohol/substance-free with milestones and health improvements.

Radiation Dose Conversion Convert radiation dose units. Formula: 1 Gray (Gy) = 100 Rad; 1 Sievert (Sv) = 100 Rem. Educational reference. Consult specialist.

Radiation Dose Equivalent Calculator Calculate Sievert (Sv) - effective radiation dose. Sv = Gy × Quality Factor. Educational tool for radiation safety; not for clinical use.

SCORAD Index SCORAD (Scoring Atopic Dermatitis) - measures severity of atopic dermatitis/eczema. 0-103 scale.

Sperm Analysis Reference Sperm analysis reference ranges (WHO 2021 criteria). Compares values against fertility standards.

Stillbirth Risk Assessment Assess stillbirth risk factors using Confidential Enquiry model. Higher score = higher risk.

Swiss Cheese Model (COVID) Swiss cheese model for COVID risk reduction. Stacked layers of prevention reduce overall risk.

Tinetti Balance & Gait Tinetti Performance-Oriented Mobility Assessment (POMA) for fall risk. Score 0-28, lower = higher fall risk.

tPA Dosing (Alteplase) Tissue plasminogen activator (tPA/Alteplase) dosing for acute ischemic stroke. FDA-approved thrombolytic.

Transferrin Saturation Calculate transferrin saturation (%) from serum iron and TIBC. Indicates iron status and hemochromatosis risk.

Baby Eye Color Calculator Predict the likely eye color of a baby based on the parents' eye colors using Mendelian genetics. Baby Formula Calculator Calculate how much formula to feed your baby per day and per feeding based on age and weight. Baby's Milk Intake Calculator Estimate how much breast milk a baby needs per day and per feeding based on weight and age. Barthel Index Calculator Calculate the Barthel Index score to assess a patient's functional independence in activities of daily living (ADL). BASDAI Calculator Calculate the Bath Ankylosing Spondylitis Disease Activity Index (BASDAI) to assess disease activity in ankylosing spondylitis. BBT Calculator Analyze basal body temperature (BBT) shift to identify the likely ovulation day in a menstrual cycle. BED Calculator Calculate the Biologically Effective Dose (BED) for radiation therapy to compare fractionation schemes. Beighton Score Calculator Calculate the Beighton Score to assess joint hypermobility syndrome using the 9-point clinical scoring system. BIMS Calculator Calculate the Brief Interview for Mental Status (BIMS) score to screen for cognitive impairment in nursing home residents. Cardiovascular Disease Risk Estimate 10-year major CVD event risk using simplified risk equations. CDAI (Crohn's Disease Activity Index) Calculate the CDAI score to assess Crohn's disease activity over 7 days. CHA₂DS₂-VASc Score Calculate the CHA₂DS₂-VASc score for stroke risk in non-valvular atrial fibrillation. Child-Pugh Score (Liver Cirrhosis) Calculate the Child-Pugh score to assess severity of liver cirrhosis and predict survival. Chronic Kidney Disease Risk Calculator Assess chronic kidney disease (CKD) stage and progression risk using creatinine, eGFR, and comorbidity status. Clinical reference tool for identifying kidney disease severity and need for nephrology consultation. Cigarette Calculator Calculate the health, financial, and time cost of smoking cigarettes based on daily habits. CIWA-Ar (Alcohol Withdrawal) Calculate the CIWA-Ar score to assess severity of alcohol withdrawal syndrome. Clomid / Clomiphene Ovulation Timing Estimate ovulation timing after Clomiphene (Clomid) treatment. Corrected Mg Corrected Mg — clinical reference calculator. COVID Event Risk Estimate the probability of at least one COVID-positive person at an event. Covid Mortality Risk Covid Mortality Risk — clinical reference tool. CRC (Colorectal Cancer) Screening Colorectal cancer 10-year risk estimate based on age and risk factors. Creatinine Clearance (Cockcroft-Gault) Estimate creatinine clearance (CrCl) and kidney function using the Cockcroft-Gault formula. Curb Curb is a fast, free health calculator. Enter Confusion (new disorientation), BUN > 19 mg/dL and RR ≥ 30/min to get an instant, accurate result — complete with the formula, a step-by-step worked example, and answers to common questions, all on one page and private to your browser. Dasi Dasi is a fast, free health calculator. Enter Number of Yes Responses (0-12) and Activity Intensity to get an instant, accurate result — complete with the formula, a step-by-step worked example, and answers to common questions, all on one page and private to your browser. Dead Space Dead Space — clinical reference calculator. Dic Syndrome Dic Syndrome is a fast, free health calculator. Enter Platelet Count (K/uL), D-Dimer (ug/L) and PT Prolongation (seconds) to get an instant, accurate result — complete with the formula, a step-by-step worked example, and answers to common questions, all on one page and private to your browser. Diet Risk Score Diet Risk Score — clinical reference tool. Dog Walking Benefits Dog Walking Benefits — clinical reference tool. Drops Per Minute Calculator Calculate the IV drip rate in drops per minute for gravity infusion based on volume, time, and drop factor. Dudit Dudit is a fast, free health calculator. Enter Total Score from 11 Questions and Primary Substance to get an instant, accurate result — complete with the formula, a step-by-step worked example, and answers to common questions, all on one page and private to your browser. Duke Score Duke Score is a fast, free health calculator. Enter Maximum Exercise Time (minutes), ST-Segment Deviation (mm) and Angina Type During Exercise to get an instant, accurate result — complete with the formula, a step-by-step worked example, and answers to common questions, all on one page and private to your browser. Easi Score Easi Score is a fast, free health calculator. Enter Head/Neck Affected Area (%), Upper Extremity Affected (%) and Lower Extremity Affected (%) to get an instant, accurate result — complete with the formula, a step-by-step worked example, and answers to common questions, all on one page and private to your browser. Ecg Boxes Seconds Ecg Boxes Seconds — clinical reference calculator. Egg Freezing Calculator Estimate the number of eggs needed to freeze and the likelihood of a live birth based on age and egg count using published success rate data. Epds Epds is a fast, free health calculator. Enter Total EPDS Score (0-30) to get an instant, accurate result — complete with the formula, a step-by-step worked example, and answers to common questions, all on one page and private to your browser. Estimated Due Date (EDD) Calculate the estimated due date (EDD) from last menstrual period (LMP) or conception date. Fat Fat is a fast, free health calculator. Enter Dietary Fat (grams), Total Daily Calories and Age (years) to get an instant, accurate result — complete with the formula, a step-by-step worked example, and answers to common questions, all on one page and private to your browser. Feurea Feurea is a fast, free health calculator. Enter Urine Urea (mg/dL), Plasma Creatinine (mg/dL) and Plasma Urea (mg/dL) to get an instant, accurate result — complete with the formula, a step-by-step worked example, and answers to common questions, all on one page and private to your browser. Finnegan Nas Finnegan Nas is a fast, free health calculator. Enter Steatosis Grade (0-3), Lobular Inflammation (0-3) and Hepatocyte Ballooning (0-2) to get an instant, accurate result — complete with the formula, a step-by-step worked example, and answers to common questions, all on one page and private to your browser. Fish Oil Calculator Calculate your recommended daily EPA and DHA intake from fish oil supplements and compare to established health guidelines. Flange Size Flange Size is a fast, free health calculator. Enter Pipe Outer Diameter (mm), Flange Thickness (mm) and Number of Bolt Holes to get an instant, accurate result — complete with the formula, a step-by-step worked example, and answers to common questions, all on one page and private to your browser. Framingham Cardiac Risk Score Calculate 10-year cardiovascular disease risk using the Framingham Risk Score. Free Testosterone Free Testosterone — clinical reference calculator. GCS Calculator Calculate the Glasgow Coma Scale (GCS) score to assess level of consciousness in acute medical settings. Gi Gi is a fast, free health calculator. Enter Food Glucose AUC (area under curve), Reference Glucose AUC and Portion Size (grams) to get an instant, accurate result — complete with the formula, a step-by-step worked example, and answers to common questions, all on one page and private to your browser. Gir Gir is a fast, free health calculator. Enter Glycemic Index (0-100), Carbohydrates (grams) and Dietary Fiber (grams) to get an instant, accurate result — complete with the formula, a step-by-step worked example, and answers to common questions, all on one page and private to your browser. Gorlin Formula Gorlin Formula — clinical reference tool. Gout Diagnosis Gout Diagnosis — clinical reference tool. GRACE Score (ACS) Calculate the GRACE 2.0 risk score for in-hospital and 6-month mortality in ACS. Gut Microbiome Score Gut Microbiome Score — clinical reference tool. Hand Sanitizer Effectiveness Calculator Calculate hand sanitizer effectiveness based on alcohol content, contact time, and microbial reduction. This tool helps healthcare professionals, facilities managers, and consumers evaluate sanitizer efficacy according to FDA and CDC guidelines for viral and bacterial kill rates. Happiness & Life Satisfaction Calculator Calculate your overall happiness and life satisfaction using the Satisfaction with Life Scale (SWLS). This 5-item psychological assessment measures subjective wellbeing and can help track wellbeing over time for personal growth or HR employee engagement programs. Has Bled Has Bled — clinical reference calculator. HbA1c to eAG Converter Convert HbA1c (%) to estimated average glucose (eAG) in mg/dL and mmol/L. hCG Levels Calculator Look up expected hCG levels by gestational age and doubling time during early pregnancy. Hct Hgb Hct Hgb — clinical reference calculator. HEART Score (Chest Pain) Calculate the HEART score to stratify risk of major adverse cardiac events (MACE) in chest pain. Hsi Hsi is a fast, free health calculator. Enter Temperature (°F) and Relative Humidity (%) to get an instant, accurate result — complete with the formula, a step-by-step worked example, and answers to common questions, all on one page and private to your browser. Hydroxychloroquine Dose Hydroxychloroquine Dose — clinical reference calculator. ICH Score Calculator Calculate modified ICH (Intracranial Hemorrhage) Score for 30-day mortality risk prediction in acute brain hemorrhage patients. Clinical tool for prognostication and care planning in neurology. Ideal Weight Calculator Popular Ideal Weight Calculator is a health and wellness calculator that helps you calculate weight values or weight conversions between unit systems. The formula used is: Hamwi (men): 48.0 + 2.7 kg per inch over 5 ft\nHamwi (women): 45.5 + 2.3 kg per inch over 5 ft\nDevine (men): 50.0 + 2.3 per inch over 5 ft\nDevine (women): 45.5 + 2.3 per inch over 5 ft\nRobinson (men): 52.0 + 1.9 per inch over 5 ft\nRobinson (women): 49.0 + 1.7 per inch over 5 ft\nMiller (men): 56.2 + 1.41 per inch over 5 ft\nMiller (women): 53.1 + 1.36 per inch over 5 ft. Enter values using the units shown next to each input field (e.g. kg, cm, years). Inr Inr is a fast, free health calculator. Enter Patient PT, Mean Normal PT and ISI of Reagent to get an instant, accurate result — complete with the formula, a step-by-step worked example, and answers to common questions, all on one page and private to your browser. Ireland Vaccine Priority Calculator Calculate COVID-19 vaccine priority position in Ireland's queue based on age, chronic conditions, and healthcare worker status. Reference tool for understanding vaccine rollout phases during the pandemic. Iron Deficiency Anemia Screening Screen for iron deficiency anemia using hemoglobin, ferritin, and TIBC values. Clinical reference tool for identifying iron deficiency severity and determining need for further evaluation or treatment. Isotretinoin (Accutane) Dosing Calculator Calculate isotretinoin (Accutane) treatment parameters including daily dose, cumulative dose, and expected treatment duration. Medical reference tool for severe acne treatment planning with a healthcare provider. Iss Iss is a fast, free health calculator. Enter AIS Region 1 (worst), AIS Region 2 (2nd worst) and AIS Region 3 (3rd worst) to get an instant, accurate result — complete with the formula, a step-by-step worked example, and answers to common questions, all on one page and private to your browser. Ivig Dose Ivig Dose — clinical reference calculator. Karvonen Formula Calculator Karvonen Formula Calculator is a health and wellness calculator that helps you calculate karvonen formula values from your input data. The formula used is: HRmax = 220 − age\nTarget HR = (HRmax − HRrest) × intensity% + HRrest\nHeart Rate Reserve (HRR) = HRmax − HRrest. Enter values using the units shown next to each input field (e.g. kg, cm, years). Kidney Stone Risk Calculator Assess kidney stone formation risk using hydration status, personal/family history, BMI, and metabolic factors. Reference tool for identifying high-risk individuals and preventive measures. Kt V Kt V is a fast, free health calculator. Enter Pre BUN, Post BUN and UF Volume to get an instant, accurate result — complete with the formula, a step-by-step worked example, and answers to common questions, all on one page and private to your browser. LDL Cholesterol Calculator Calculate LDL cholesterol using the Friedewald equation. Lean Body Mass Calculator Lean Body Mass Calculator is a health and wellness calculator that helps you calculate lean body mass values from your input data. The formula used is: Boer (men): LBM = 0.407 × weight + 0.267 × height(cm) − 19.2\nBoer (women): LBM = 0.252 × weight + 0.473 × height(cm) − 48.3\nHume (men): LBM = 0.3281 × weight + 0.3393 × height(cm) − 29.534\nHume (women): LBM = 0.29569 × weight + 0.41813 × height(cm) − 43.293. Enter values using the units shown next to each input field (e.g. kg, cm, years). Lidocaine Dose Lidocaine Dose — clinical reference calculator. Local Anesthetic Toxicity Calculator Calculate safe dosing for local anesthetics and assess toxicity risk. Clinical reference tool for healthcare providers to ensure anesthetic doses remain within safe limits based on patient weight and agent used. Lrinec Score Lrinec Score — clinical reference calculator. Lung Capacity Lung Capacity — clinical reference calculator. Medical Implant Cost Calculator Estimate total medical implantation costs including device, surgical procedure, hospital stay, and follow-up care. Helps with financial planning for joint replacement, dental implants, and other medical procedures. MELD Score (Liver Disease) Calculate the MELD score (Model for End-Stage Liver Disease) to predict 90-day mortality. Mentzer Index Mentzer Index — clinical reference calculator. Mews Score Mews Score — clinical reference calculator. Nih Stroke Nih Stroke — clinical reference calculator. Nlr Nlr is a fast, free health calculator. Enter Abs Neutrophils and Abs Lymphocytes to get an instant, accurate result — complete with the formula, a step-by-step worked example, and answers to common questions, all on one page and private to your browser. Nnt Nnt is a fast, free health calculator. Enter Control Event Rate and Treatment Event Rate to get an instant, accurate result — complete with the formula, a step-by-step worked example, and answers to common questions, all on one page and private to your browser. Noise Pollution Noise Pollution — clinical reference tool. Nuchal Translucency Nuchal Translucency — clinical reference tool. Overweight Calculator Overweight Calculator is a health and wellness calculator that helps you calculate weight values or weight conversions between unit systems. The formula used is: BMI = weight (kg) / height (m)²\nHealthy range: BMI 18.5–24.9 → weight between 18.5 × h² and 24.9 × h². Enter values using the units shown next to each input field (e.g. kg, cm, years). Oxygenation Index Oxygenation Index — clinical reference calculator. Padua Score Padua Score — clinical reference calculator. Peak Expiratory Flow Calculator Calculate predicted peak expiratory flow (PEF) based on age, height, and sex. Used in asthma management. Pediatric Dose Pediatric Dose — clinical reference calculator. Perc Perc is a fast, free health calculator. Enter Age ≥ 50, HR ≥ 100 bpm and SpO₂ < 95% to get an instant, accurate result — complete with the formula, a step-by-step worked example, and answers to common questions, all on one page and private to your browser. Ponderal Index Calculator Ponderal Index Calculator is a health and wellness calculator that helps you calculate ponderal index values from your input data. The formula used is: Ponderal Index = weight (kg) / height (m)³. Enter values using the units shown next to each input field (e.g. kg, cm, years). Psi Psi is a fast, free health calculator. Enter Age, Sex and Nursing Home Resident to get an instant, accurate result — complete with the formula, a step-by-step worked example, and answers to common questions, all on one page and private to your browser. qSOFA Score (Sepsis Screening) Calculate the quick SOFA (qSOFA) score as a rapid bedside sepsis screening tool. Quicki Quicki is a fast, free health calculator. Enter Fasting Glucose and Fasting Insulin to get an instant, accurate result — complete with the formula, a step-by-step worked example, and answers to common questions, all on one page and private to your browser. Rbc Indices Rbc Indices — clinical reference calculator. Rcri Rcri is a fast, free health calculator. Enter High-Risk Surgery (intraperitoneal/intrathoracic/suprainguinal vascular), Ischaemic Heart Disease and Congestive Heart Failure to get an instant, accurate result — complete with the formula, a step-by-step worked example, and answers to common questions, all on one page and private to your browser. Revised Geneva Score Revised Geneva Score — clinical reference calculator. RFM Calculator RFM Calculator is a health and wellness calculator that helps you calculate rfm values from your input data. The formula used is: Men: RFM = 64 − (20 × height (cm) / waist (cm))\nWomen: RFM = 76 − (20 × height (cm) / waist (cm)). Enter values using the units shown next to each input field (e.g. kg, cm, years). Risk Dm Risk Dm — clinical reference calculator. Rsbi Rsbi is a fast, free health calculator. Enter Resp Rate and Tidal Volume to get an instant, accurate result — complete with the formula, a step-by-step worked example, and answers to common questions, all on one page and private to your browser. Saag Saag is a fast, free health calculator. Enter Serum Albumin and Ascites Albumin to get an instant, accurate result — complete with the formula, a step-by-step worked example, and answers to common questions, all on one page and private to your browser. Sepsis Sepsis is a fast, free health calculator. Enter Temp, HR > 90 and RR > 20 or PaCO₂ < 32 to get an instant, accurate result — complete with the formula, a step-by-step worked example, and answers to common questions, all on one page and private to your browser. Shock Index Calculator Calculate the Shock Index (SI = HR / SBP) to rapidly assess hemodynamic instability. Skinfold Body Fat Calculator Skinfold Body Fat Calculator is a health and wellness calculator that helps you calculate skinfold body fat values from your input data. The formula used is: Men (chest, abdomen, thigh):\ndensity = 1.10938 − 0.0008267×S + 0.0000016×S² − 0.0002574×age\n\nWomen (tricep, suprailiac, thigh):\ndensity = 1.0994921 − 0.0009929×S + 0.0000023×S² − 0.0001392×age\n\nBF% = (495 / density) − 450 [Siri equation]\nwhere S = sum of 3 skinfolds (mm). Enter values using the units shown next to each input field (e.g. kg, cm, years). Sodium Correction Sodium Correction — clinical reference calculator. Sodium In Salt Sodium In Salt — clinical reference calculator. SOFA Score (Sepsis) Calculate the SOFA (Sequential Organ Failure Assessment) score to assess organ dysfunction in ICU patients. Standard Drink Calculator Calculate the number of standard drinks in a beverage based on volume, ABV, and country standard. Steroid Steroid — clinical reference calculator. STOP-BANG Questionnaire (OSA) Screen for obstructive sleep apnoea (OSA) risk using the STOP-BANG questionnaire. TIMI Risk Score (STEMI) Calculate the TIMI Risk Score for ST-elevation MI to predict 30-day mortality. TRIR (Total Recordable Incident Rate) Calculate workplace safety TRIR metric: (injuries × 200,000) ÷ total hours worked. Ttkg Ttkg is a fast, free health calculator. Enter Serum K+ (mEq/L) and 24-Hour Urine K+ (mEq) to get an instant, accurate result — complete with the formula, a step-by-step worked example, and answers to common questions, all on one page and private to your browser. Twinning Twinning is a fast, free health calculator. Enter Maternal Age and Family History of Twins to get an instant, accurate result — complete with the formula, a step-by-step worked example, and answers to common questions, all on one page and private to your browser. Tylenol Overdose Tylenol Overdose — clinical reference calculator. Urine Anion Gap Urine Anion Gap — clinical reference calculator. Urine Output Urine Output — clinical reference calculator. Urr Urr is a fast, free health calculator. Enter Pre-dialysis BUN and Post-dialysis BUN to get an instant, accurate result — complete with the formula, a step-by-step worked example, and answers to common questions, all on one page and private to your browser. Vaccine Efficacy Vaccine Efficacy — clinical reference calculator. Vaccine Immunity Vaccine Immunity — clinical reference tool. Vbac Risk Score Vbac Risk Score — clinical reference tool. Viral Infection Sir Viral Infection Sir — clinical reference tool. Vital Capacity Vital Capacity — clinical reference calculator. Vitamin Vitamin is a fast, free health calculator. Enter Vitamin Type and Meals with Fat to get an instant, accurate result — complete with the formula, a step-by-step worked example, and answers to common questions, all on one page and private to your browser. Vitamin A Vitamin A is a fast, free health calculator. Enter Age Group and Primary Food Source to get an instant, accurate result — complete with the formula, a step-by-step worked example, and answers to common questions, all on one page and private to your browser. Vitamin D Vitamin D is a fast, free health calculator. Enter Age Group and Season / Sun Exposure to get an instant, accurate result — complete with the formula, a step-by-step worked example, and answers to common questions, all on one page and private to your browser. Vldl Vldl is a fast, free health calculator. Enter Triglycerides to get an instant, accurate result — complete with the formula, a step-by-step worked example, and answers to common questions, all on one page and private to your browser. Waist to Height Ratio Calculator Waist to Height Ratio Calculator is a health and wellness calculator that helps you calculate height measurements or conversions between unit systems. The formula used is: WHtR = Waist Circumference (cm) ÷ Height (cm)\nHealthy: WHtR < 0.50 (waist < half of height). Enter values using the units shown next to each input field (e.g. kg, cm, years). Waist to Hip Ratio Calculator Popular Waist to Hip Ratio Calculator is a health and wellness calculator that helps you calculate the ratio between two numbers in simplified form. The formula used is: WHR = Waist Circumference (cm) ÷ Hip Circumference (cm). Enter values using the units shown next to each input field (e.g. kg, cm, years). Wake Up Wake Up is a fast, free health calculator. Enter Sleep Cycles (number) to get an instant, accurate result — complete with the formula, a step-by-step worked example, and answers to common questions, all on one page and private to your browser. Warfarin Dosing Warfarin Dosing — clinical reference tool. Warsaw Method Warsaw Method — clinical reference tool. Weight Loss Percentage Calculator Weight Loss Percentage Calculator is a health and wellness calculator that helps you calculate a percentage from a part and a whole, or a percentage change. The formula used is: Weight Loss % = ((Starting Weight − Current Weight) / Starting Weight) × 100. Enter values using the units shown next to each input field (e.g. kg, cm, years). Wells Score (Pulmonary Embolism) Calculate the Wells score to estimate pre-test probability of pulmonary embolism.