Health and nutrition calculators
Work out how many calories you need, how to split them into protein, carbs and fat, and what your BMI is. The calculations use standard formulas and run in your browser: nothing you enter is sent anywhere.
- Calorie calculatorDaily calories to lose, maintain or gain weight.Open calculator ›
- Macro calculatorProtein, carbs and fat in grams for your goal.Open calculator ›
- BMI calculatorYour BMI and a healthy weight range for your height.Open calculator ›
These are estimates for healthy adults, not medical advice. They are not meant for pregnancy, breastfeeding, people under 18 or anyone with a medical condition. Talk to a doctor or dietitian about your own needs.