BMR Calculator
Estimate basal metabolic rate with the Mifflin–St Jeor equation. Free to use online with no sign-up. Fast and mobile-friendly.
Enter age, height, weight and the sex variable used by the equation to estimate resting energy expenditure.
Frequently asked questions
- Is BMR Calculator free to use?
- Yes. The tool is free to use and does not require an account.
- Is my input stored?
- Browser-based tool inputs normally stay on your device. Tools that rely on an external reference-data service, such as currency exchange, request only the information needed for that lookup.