BMR Calculator

Calculate your Basal Metabolic Rate - calories burned at rest

Age (years)

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Height (cm)

Weight (kg)

What is BMR?

Your Basal Metabolic Rate (BMR) is the number of calories your body needs to accomplish its most basic life-sustaining functions, like breathing, circulation, and cell production.

Factors Affecting BMR

Age: BMR decreases with age
Muscle mass: More muscle = higher BMR
Body size: Larger bodies have higher BMR
Hormones: Thyroid hormones affect metabolism

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