How this calculator works
Enter the values for weight (kg), height (cm), age, sex. The result applies the displayed method and rounds only for presentation.
Formula / method
Mifflin–St Jeor equation
Worked example
Worked example: Weight (kg) = 70; Height (cm) = 175; Age = 30; Sex = male.
Assumptions and limitations
The inputs use the units shown and the displayed bmr calculator method applies to the situation being estimated.
This bmr calculator uses the stated formula and supplied units; unusual inputs, local rules or professional context can change the interpretation.
Sources and methodology references
Informational only: this estimate is not medical advice, does not diagnose conditions, and has important limitations.