Free Health & Fitness Calculators

Science-backed tools to help you understand your body, set realistic goals, and make informed health decisions.

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BMI Calculator

Calculate your Body Mass Index to understand your weight relative to your height.

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BMR Calculator

Calculate your Basal Metabolic Rate — the calories your body burns at rest.

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TDEE Calculator

Calculate your Total Daily Energy Expenditure based on your activity level.

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About HealthCalc

HealthCalc provides free, accurate health calculators based on proven scientific formulas. Our tools help you track BMI, calculate your metabolic rate, and plan your nutrition with confidence.