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BMR Calculator

Calculate your Basal Metabolic Rate — the calories your body burns at complete rest.

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🔥 BMR Results
Calories/day at complete rest
Mifflin-St Jeor (recommended)
Harris-Benedict (revised)
Katch-McArdle (if body fat known)Requires body fat %

What is BMR?

Basal Metabolic Rate is the number of calories your body needs to maintain basic physiological functions (breathing, circulation, cell production) while at complete rest. It accounts for 60–75% of total daily calorie expenditure.

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