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Health & Fitness Calculators

Calculate BMI, calories, body fat, ideal weight, and other health metrics based on proven formulas.

body-metrics

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BMI Calculator

Calculate Body Mass Index in metric or imperial units with WHO classification.

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Body Fat Calculator

Estimate body fat percentage using the Navy Method with tape measurements.

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Ideal Weight Calculator

Find your ideal weight range using five different established formulas.

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nutrition

Calorie Calculator

Calculate daily calorie needs using the Harris-Benedict formula.

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TDEE Calculator

Calculate Total Daily Energy Expenditure based on activity level.

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Macro Calculator

Calculate daily protein, carb, and fat targets based on your goals.

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pregnancy

Pregnancy Due Date Calculator

Calculate your estimated due date from LMP or conception date.

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wellness

Sleep Cycle Calculator

Find the best bedtime or wake-up time based on 90-minute sleep cycles.

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