Calculate your Basal Metabolic Rate (BMR) and Total Daily Energy Expenditure (TDEE) with multiple formulas. Get personalized calorie recommendations for weight loss, maintenance, or muscle gain. Pure client-side.
Basal Metabolic Rate (BMR) is the number of calories your body needs to maintain basic life functions at complete rest. Total Daily Energy Expenditure (TDEE) is your BMR multiplied by an activity factor that accounts for your daily movement and exercise. This calculator uses scientifically validated formulas to estimate both values and provides personalized calorie recommendations for weight management goals. All calculations happen in your browser — no data is sent to any server.