Health Calculators
Free health calculators: BMI, TDEE with daily macros, and pregnancy due date with ovulation window.
All Health Calculators tools
BMI Calculator
Calculate your Body Mass Index from height and weight
Health CalculatorsTDEE Calculator
Daily calories from BMR and activity, with protein, carb and fat macros
Health CalculatorsPregnancy Due Date Calculator
Estimate your due date from your last period, with ovulation window
Health CalculatorsFrequently asked questions
Which health calculator should I start with?
Use the BMI calculator for a quick weight-for-height check, the TDEE calculator for daily calories and macros, and the pregnancy due date calculator if you are expecting.
Are health calculator results medical advice?
No. Every result here is a general estimate from standard formulas, for information only. Always talk to a doctor or other qualified professional about your health.
Is my health information private?
Yes. Every figure you enter is calculated in your browser and never uploaded, stored or shared.
Are health calculators free?
Yes — every calculator on this page is free, with no account and no sign-up.