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Calorie / BMR Calculator
Find your daily calorie needs.
Calculate your BMR and maintenance calories based on your body and activity level.
How this calculator works
This calculator uses the Mifflin-St Jeor equation, one of the most accurate formulas for estimating Basal Metabolic Rate (BMR), the number of calories your body burns at rest. Your BMR is then multiplied by an activity factor to estimate the calories you need each day to maintain your current weight.