BMR Calculator

Estimate your Basal Metabolic Rate — the calories your body burns at complete rest.

BMR is the energy you would burn lying in bed all day. It uses the accurate Mifflin-St Jeor equation.

yrs
cm
kg
ResultUpdates as you type
BMR5 cal/dayCalories burned at rest
Breakdown
Sedentary (×1.2)
6 cal/day
Moderately active (×1.55)
8 cal/day
Very active (×1.725)
9 cal/day

Formula

Mifflin-St Jeor (men)BMR = 10·kg + 6.25·cm − 5·age + 5
Mifflin-St Jeor (women)BMR = 10·kg + 6.25·cm − 5·age − 161

Frequently asked questions

BMR vs TDEE?

BMR is calories burned at complete rest. TDEE multiplies BMR by an activity factor to estimate everything you burn in a day.