Estimate your daily calorie needs based on your goals and activity level.
The Calorie Calculator uses the Mifflin-St Jeor equation — widely regarded as the most accurate formula for estimating daily calorie needs. Enter your age, gender, height, weight, and activity level to get personalized daily calorie targets for weight loss, maintenance, or muscle gain. All calculations happen in your browser; your data is never stored or sent anywhere.
The gold standard for calorie estimation recommended by the Academy of Nutrition and Dietetics.
Instant deficit and surplus recommendations from mild to extreme.
Switch freely between kg/cm and lbs/ft-in.
From sedentary to extra active for accurate TDEE calculation.