All calculatorsSwitch tool

BMR Calculator

Estimate the calories your body burns at complete rest with the Mifflin-St Jeor equation.

Your inputs

Gender

AgeyearsHeightcmCurrent weightkg

The formula

Mifflin-St Jeor Equation

Men
BMR = 10×weight(kg) + 6.25×height(cm) − 5×age(y) + 5
Women
BMR = 10×weight(kg) + 6.25×height(cm) − 5×age(y) − 161

Mark D. Mifflin and Sachiko T. St Jeor · 1990

Result

BMR

1699 kcal/day

Calculated with the Mifflin-St Jeor equation.

Your BMR is the estimated energy your body uses at rest before training, steps, and daily activity are added.

Use BMR as a starting point, then estimate maintenance with activity level.

Results are estimates from published formulas, intended for healthy adults. They aren't medical advice, so check with a doctor or registered dietitian if you have a health condition.