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.
Mifflin-St Jeor equation
The gold standard for calorie estimation recommended by the Academy of Nutrition and Dietetics.
Weight loss & gain targets
Instant deficit and surplus recommendations from mild to extreme.
Metric & imperial
Switch freely between kg/cm and lbs/ft-in.
Five activity levels
From sedentary to extra active for accurate TDEE calculation.
Body Fat Calculator
Estimate body fat percentage using the U.S. Navy method
BMR Calculator
Calculate your Basal Metabolic Rate with Mifflin-St Jeor and Harris-Benedict
BMI Calculator
Calculate your Body Mass Index and weight classification
Ideal Weight Calculator
Find your ideal body weight using Devine, Robinson, Miller, and Hamwi formulas
Pace Calculator
Calculate running pace, time, or distance for training and races
Army Body Fat Calculator
Calculate body fat percentage using the AR 600-9 tape test method