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Health & Fitness Calculators

Simple health and fitness calculators: body mass index, daily calorie needs and pregnancy due date. These tools give general estimates for adults and are not a substitute for professional medical advice.

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BMI Calculator

Calculate your Body Mass Index in metric or imperial.

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Calorie Calculator

Estimate your daily calorie needs to maintain, lose or gain weight.

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Body Fat Calculator

Estimate body fat percentage with the U.S. Navy method.

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BMR Calculator

Estimate the calories your body burns at rest.

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Ideal Weight Calculator

Compare four classic formulas and the healthy BMI range.

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Running Pace Calculator

Find your pace per km and mile, speed and race finish times.

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Pregnancy Due Date Calculator

Estimate your due date from the first day of your last period.