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Unit System

Gender

Age

Height (cm)

Weight (kg)

Written by the EachTools Team

Last updated: January 2026

How Basal Metabolic Rate Is Calculated

BMR is the number of calories your body needs at complete rest to maintain basic life functions like breathing, circulation, and cell production.

Mifflin-St Jeor:
Men: BMR = 10 × weight(kg) + 6.25 × height(cm) - 5 × age + 5
Women: BMR = 10 × weight(kg) + 6.25 × height(cm) - 5 × age - 161

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