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Input age, weight, height, and gender.
BMR Calculator
Calculate your Basal Metabolic Rate
Pro Tip
Your BMR is the calories you burn at complete rest. For total daily needs, multiply BMR by your activity level (1.2-1.9).
How to Use the BMR Calculator
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Calculate BMR
Get your Basal Metabolic Rate using proven formulas.
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Plan Nutrition
Use BMR to calculate daily calorie needs.
Basal Metabolic Rate Science
BMR represents the minimum calories your body needs to maintain vital functions. It accounts for 60-75% of daily energy expenditure.
Frequently Asked Questions
BMR (Basal Metabolic Rate) is the number of calories your body burns at complete rest to maintain basic life functions.
BMR is calories at rest. TDEE (Total Daily Energy Expenditure) includes activity and is typically BMR × 1.2-1.9.