Child Water & Fluid Intake Calculator

kg
Health Updated 14 Jun 2026

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).

Rates and fees change frequently. Always confirm the current figures with the official authority before relying on this result.
  • Maintenance estimate only. Increase fluids during illness and consult a doctor if dehydrated.

Formula

Holliday-Segar: 100 ml/kg (first 10 kg) + 50 ml/kg (next 10 kg) + 20 ml/kg (over 20 kg)
  • Child Water & Fluid Intake Calculator gives you a fast estimate using your inputs and updates instantly when you change any value.
  • Formula: Holliday-Segar: 100 ml/kg (first 10 kg) + 50 ml/kg (next 10 kg) + 20 ml/kg (over 20 kg)
  • Input definitions: • Child's weight: the numeric child's weight used in the calculation
  • Enter values using the units shown next to each input field (e.g. kg, cm, years).
  • This calculator uses widely accepted health formulas and returns screening estimates only. It does not replace a diagnosis from a qualified healthcare professional.
  • Compare your result with published reference ranges. Values outside the normal range warrant a conversation with your doctor.
  • Practical tip: test a low, medium, and high scenario to understand sensitivity before making decisions.

Example Calculation

Inputs
  • Child's weight: 18 kg

Suppose you enter: Child's weight = 18. The calculator applies the formula (Holliday-Segar: 100 ml/kg (first 10 kg) + 50 ml/kg (next 10 kg) + 20 ml/kg (over 20 kg)) and shows all output values below. Change any input field to immediately see how the result changes.

Frequently asked questions

What is the Child Water & Fluid Intake?
The Child Water & Fluid Intake Calculator is a health and wellness calculator that helps you calculate child water & fluid intake values from your input data. Enter values using the units shown next to each input field (e.g. kg, cm, years).
When should I use this calculator?
Use this calculator whenever you need a quick, accurate result for child water & fluid intake values from your input data without working through the arithmetic manually.
What units should I enter?
Enter values using the units shown next to each input field (e.g. kg, cm, years).
How accurate are the results?
This calculator uses widely accepted health formulas and returns screening estimates only. It does not replace a diagnosis from a qualified healthcare professional.
How do I interpret the result?
Compare your result with published reference ranges. Values outside the normal range warrant a conversation with your doctor.
How can I verify the calculation manually?
Use the displayed formula and work through the numbers step by step. If your manual result differs slightly, check rounding and unit conversions first.
Can I use this for planning and budgeting?
Yes. Run best-case, expected, and worst-case inputs to compare outcomes and make safer planning decisions.

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