BMR Calculator (Mifflin–St Jeor)

Estimate Basal Metabolic Rate (BMR) in kcal/day from age, sex, height, and weight. Educational estimate.

The equation uses a sex constant.
Enter your age in years.
Height in centimeters.
Weight in kilograms.
BMR = 10×kg + 6.25×cm − 5×age + s
s = +5 (male), −161 (female)
Mifflin–St Jeor equation.
BMR is the estimated calories your body uses at rest. Daily needs vary with activity and other factors.
This is not a medical diagnosis.