Free tools
Health calculators with instant results
Enter your numbers and see the answer straight away. No sign-up, and nothing is saved.
- Most usedCalorie and TDEE calculatorHow many calories you burn a day, with targets to lose or hold weight.Open the calculator
- BMI calculatorBody mass index from your height and weight, with what the range means.Open the calculator
- Ideal weight calculatorA healthy weight range for your height, using common clinical formulas.Open the calculator
- Body shape index (ABSI)Uses your waist as well as height and weight to estimate health risk.Open the calculator
- Body adiposity index (BAI)Estimates body fat from hip size and height, with no scale needed.Open the calculator
These tools give estimates for adults and are not medical advice. Talk to your doctor about your own health.