Units
Sex
Equation & body fat

Adds the Katch-McArdle estimate, which is based on lean body mass.

Your BMR (calories burned at rest)

1,376 kcal/day

Mifflin-St Jeor · Female, 35 years, 5′ 5″, 150 lb

Mifflin-St Jeor (selected)
1,376 kcal/day
Revised Harris-Benedict
1,437 kcal/day

Daily calories by activity level

Estimated daily calories to maintain your weight (Mifflin-St Jeor BMR × activity multiplier)
Activity levelMultiplierCalories/day
Sedentary: little or no exercise× 1.21,652
Lightly active: light exercise 1–3 days a week× 1.3751,892
Moderately active: moderate exercise 3–5 days a week× 1.552,133
Very active: hard exercise 6–7 days a week× 1.7252,374
Extra active: very hard exercise or a physical job× 1.92,615

The multipliers are common estimates used by many calculators, not measurements. Real needs vary from person to person; track your weight over a few weeks and adjust.

BMR Calculator by SureCalcs