BMR Calculator

Estimate the calories your body burns at rest each day using the Mifflin-St Jeor equation.
Basal Metabolic Rate

This is an estimate for general guidance, not medical advice. For a plan that fits you, talk to a doctor or qualified professional.

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Sources & methodology

Last reviewed January 15, 2026.

Method: Uses the Mifflin-St Jeor equation (10×kg + 6.25×cm − 5×age + 5 for men, −161 for women), the formula recommended by the Academy of Nutrition and Dietetics as the most accurate for most adults.

How it works

Men: 10w + 6.25h − 5a + 5; Women: 10w + 6.25h − 5a − 161

Frequently Asked Questions

How does the BMR Calculator work?
Estimate the calories your body burns at rest each day using the Mifflin-St Jeor equation.
Is this medical advice?
No. It gives general estimates only. For decisions about your health, speak with a qualified professional.