Health & Fitness
Browser-first fitness calculators for educational estimates — not medical advice.
Tools in Health & Fitness
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BMI Calculator
Estimate adult Body Mass Index from height and weight — in your browser.
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Calorie Calculator
Estimate BMR and daily calorie needs (TDEE) from age, height, weight, and activity — in your browser.
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Heart Rate Zone Calculator
Estimate max heart rate and five training zones from age — in your browser.