Basal Metabolic Rate (BMR) - Mifflin / St Jeor

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This vCalc Basal Metabolic Rate (BMR) equation computes an estimated Basal Metabolic Rate based on the empirical calculation of Mifflin and St Jeor.

This particular metabolic estimation method is used to estimate an individual's basal metabolic rate (BMR) and corresponding daily caloric requirement. Internal to the computation, the estimated BMR value is multiplied by a factor for the individuals's activity level.

The resulting number is an estimated recommendation for minimal daily caloric intake that will maintain an individual's current body weight.

BMR for men   = (10 × weight in kg) + (6.25 × height in cm) - (5 × age in years) + 5
BMR for women  = (10 × weight in kg) + (6.25 × height in cm) - (5 × age in years) - 161

The equation constants are based on the original Harris Benedict experimental data.

Results are in calories/day

Usage

The Harris–Benedict or the Mifflin St Jeor equations may be used to estimate potential weight loss.  An individual can reduce their caloric intake below the estimated BMR of the equation to lose weight with normal activity.