HEALTH REFERENCES WITH CLEAR LIMITS
BMR Calculator
Estimate basal metabolic rate from adult age, sex, height, and weight using the Mifflin–St Jeor equation.
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How it works
Mifflin–St Jeor: 10 × kg + 6.25 × cm − 5 × age + s, where s is 5 for male and −161 for female.
Assumptions
Adult estimate only; measured metabolism can differ.
Use case
BMR calculator: a clear planning check
Estimate basal metabolic rate from adult age, sex, height, and weight using the Mifflin–St Jeor equation. The stated formula, assumptions, and result limits remain visible so the calculation can be checked in context.
Use a clear BMR calculator scenario with values you can verify before relying on the result.
Method and update
Last reviewed: 2026-08-08. This tool performs the stated formula locally in your browser using the values you enter.
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