BMR Calculator

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Enter your measurements and compare BMR equations

BMR calculator inputs

years
Sex term
ftin
lb
%

Body fat is used by Katch-McArdle and its comparison result.

Results unit

Estimated BMR1,760Calories/day ยท Mifflin-St Jeor

Resting energy per hour73Calories/hour
Resting energy per week12,320Calories/week
Formula spread93Calories/day from lowest to highest
Estimated lean mass63.5 kgUses the body-fat entry

Formula comparison

Every row uses the same measurements.

EquationEstimated BMRDifference from selected
Mifflin-St Jeor1,760 Calories/day0
Revised Harris-Benedict1,835 Calories/day75
Katch-McArdle1,742 Calories/day-18

Adult educational estimate only. BMR is not TDEE, a daily calorie target, or a measured metabolic rate. Do not use this calculator for children, pregnancy, breastfeeding, illness, eating-disorder care, or medical nutrition therapy.

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