Health & fitness calculator
BMR calculator
Estimate basal metabolic rate with the Mifflin–St Jeor equation using age, height, weight and the equation’s male/female constants.
Formula and example
Mifflin–St Jeor: 10 × weight (kg) + 6.25 × height (cm) − 5 × age; subtract 161 for the female equation constant or add 5 for the male equation constant.
Worked example
The Mifflin–St Jeor equation estimates resting energy use. It is an estimate and does not account for individual medical conditions or body composition.
Assumptions and limits
This prediction equation estimates resting energy expenditure for adults; it is not a measured calorie requirement. The equation uses a binary constant and may not fit every person.
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Source
This page uses the Mifflin–St Jeor resting energy equation described in the original 1990 study, A new predictive equation for resting energy expenditure in healthy individuals.