Face Mask Supply Calculator
The Face Mask Supply Calculator estimates how many disposable masks a household needs over a period, and the total cost. Enter the household size, masks per person per day, and number of days.
Formula
Total Masks = People × Masks per Person per Day × Days
- Add a buffer for spares and visitors.
- Reusable cloth masks can cut both waste and cost.
4 people, 1/day, 30 days
Inputs
- People in Household: 4
- Masks per Person per Day: 1
- Number of Days: 30
- Cost per Mask: 20 Rs
4 × 1 × 30 = 120 masks, costing Rs 2,400 at Rs 20 each.
Frequently asked questions
How many masks do I need per month?
Multiply household size by masks per person per day by the number of days — e.g. 4 people at 1/day for 30 days is 120 masks.