Health & Fitness Calculators with HealthCalc
Free health calculators. BMI calculator, calorie counter, water intake tracker, body fat estimator, and more.
All Tools
BMI Calculator
Calculate your Body Mass Index and see which category you fall into.
Calorie Calculator
Calculate your daily calorie needs based on age, weight, and activity level.
Water Intake Calculator
Find out how much water you should drink daily for optimal health.
Body Fat Calculator
Estimate your body fat percentage using the US Navy method.
Ideal Weight Calculator
Find your ideal weight range based on height, age, and gender.
Due Date Calculator
Calculate your pregnancy due date from your last menstrual period.
Target Heart Rate Calculator
Find your target heart rate zones for different exercise intensities.
Macro Calculator
Calculate your ideal protein, carb, and fat intake for your fitness goals.
Sleep Calculator
Find the best times to fall asleep or wake up based on sleep cycles.
Running Pace Calculator
Calculate your running pace, speed, and finish time for any distance.
Why HealthCalc?
Lightning Fast
All tools run in your browser. Instant results.
100% Private
Your data never leaves your device.
Always Free
No signup, no limits, no premium tiers.
Mobile Friendly
Works on phones, tablets, and desktops.