Health & Fitness
Health and fitness calculators including BMI, BMR, TDEE, calorie needs, body fat, macros, running pace and pregnancy due date. Informational only — never a diagnosis.
11 free health & fitness tools · No registration · Runs in your browser
BMI Calculator
PopularBody mass index with a clear interpretation of the result.
BMR Calculator
PopularBasal metabolic rate — the calories your body burns at rest.
TDEE Calculator
PopularTotal daily energy expenditure from your activity level.
Calorie Calculator
PopularDaily calorie targets for maintaining, losing or gaining weight.
Body Fat Calculator
Estimate body fat percentage using the US Navy method.
Ideal Weight Calculator
Healthy weight ranges from four standard formulas.
Macro Calculator
Split your calories into protein, fat and carbohydrate.
Water Intake Calculator
A daily hydration target based on your body and activity.
Running Pace Calculator
PopularPace, finish time and splits for any distance.
Pace & Speed Converter
Convert between min/km, min/mile, km/h and mph.
Pregnancy Due Date Calculator
Estimated due date from your last period, conception or IVF transfer.
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