BMR Calculator

BMR Calculator is the simplest,
most accurate BMR calculator on the web.

Free. No registration required.

Beaker

Your Basal Metabolic Rate (BMR) is a measure of how many calories your body consumes when resting all day i.e. before accounting for any physical exercise.

This calculator uses the Mifflin-St.Jeor formula which was the most accurate (versus the Katch-McCardle formula or the Harris-Benedict formula) in studies.

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Your Basal Metabolic Rate (BMR) is...

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