Health calculators
Free BMI, BMR, TDEE, body fat, calorie, macro and water intake calculators to understand your body with clear numbers.
BMI Calculator
Body Mass Index from height and weight.
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BMR Calculator
Calories burned at rest.
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Calorie Needs Calculator
Daily calories for your goals.
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Body Fat Calculator
US Navy method, in seconds.
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Ideal Weight Calculator
Compare classic ideal-weight formulas.
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Pregnancy Due Date Calculator
Estimate the due date and current week.
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Water Intake Calculator
Daily hydration target by weight & activity.
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Macro Calculator
Split daily calories into protein, carbs, fat.
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Heart Rate Zones
Training zones from your max heart rate.
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Lean Body Mass
LBM and body fat estimate (Boer formula).
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Calorie Deficit Calculator
Daily target & projected weight loss.
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Body Water Percentage Calculator
Total body water using the Watson formula.
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Steps to Calories Calculator
Convert daily steps to calories burned.
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BMR vs TDEE Calculator
Compare resting and total daily calorie burn.
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