Health & Fitness Calculators with HealthCalc

Free health calculators. BMI calculator, calorie counter, water intake tracker, body fat estimator, and more.

All Tools

Calculate your Body Mass Index and see which category you fall into.

Calculate your daily calorie needs based on age, weight, and activity level.

Find out how much water you should drink daily for optimal health.

Estimate your body fat percentage using the US Navy method.

Find your ideal weight range based on height, age, and gender.

Calculate your pregnancy due date from your last menstrual period.

Find your target heart rate zones for different exercise intensities.

Calculate your ideal protein, carb, and fat intake for your fitness goals.

Find the best times to fall asleep or wake up based on sleep cycles.

Calculate your running pace, speed, and finish time for any distance.

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All tools run in your browser. Instant results.

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Your data never leaves your device.

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No signup, no limits, no premium tiers.

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Works on phones, tablets, and desktops.