28 free health calculators

Know your numbers.
Take control of your health.

Fast, accurate calculators for body metrics, nutrition, fitness, heart health, and pregnancy. All math runs in your browser โ€” no sign-up, no tracking.

28calculators
100%client-side
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๐Ÿงฎ Body Metrics & Weight

๐Ÿฅ— Energy & Nutrition

โค๏ธ Heart & Blood

๐Ÿƒ Fitness & Exercise

๐Ÿ‘ถ Pregnancy

๐Ÿ˜ด Sleep

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