How the calculation works
Enter the required parameters and submit the form. The calculator validates the values, performs the calculation on the server and returns a detailed result.
The calculation is processed for the current HTTP request and does not require registration.
BMR formula
The Mifflin–St Jeor equation uses body mass, height, age and the sex-specific constant to estimate basal metabolic rate.
Example
BMR estimates resting energy expenditure and can be used as the starting value for a TDEE scenario.
Questions and answers
How is BMR different from TDEE?
BMR estimates resting metabolism; TDEE additionally applies an activity factor.
Is BMR an exact daily calorie requirement?
No. It is a model and cannot capture every individual metabolic factor.
When it is useful
Calculate bMR calculator with task-specific inputs and a detailed server-side result. The tool is designed for a practical calculation without registration or a required client-side app.