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Calculator
Find your BMR, daily maintenance calories (TDEE), and targets for losing or gaining weight.
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Your BMR, maintenance calories, and goal targets will appear here.
Your Basal Metabolic Rate (BMR) is the number of calories your body burns at complete rest to keep vital functions running. This calculator uses the Mifflin-St Jeor equation, the most accurate widely used formula.
Your Total Daily Energy Expenditure (TDEE) multiplies your BMR by an activity factor to estimate the calories you burn each day. Eat around your TDEE to maintain weight, below it to lose, and above it to gain.