Calorie Calculator
Estimate your daily calorie needs from age, sex, height, weight, and activity level using the Mifflin–St Jeor equation.
About the Calorie Calculator
Daily calorie targets depend on your basal metabolic rate (BMR) multiplied by an activity factor. This calculator uses Mifflin–St Jeor, the most accurate widely-used formula for healthy adults.
Use the result as a starting point for weight maintenance, then adjust up or down by ~300–500 kcal/day to gain or lose weight gradually.
Frequently asked questions
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