Calorie & BMR Calculator
Calculate your BMR (calories burned at rest) with the Mifflin-St Jeor equation, then your total daily needs based on activity level — plus calorie targets for losing, maintaining or gaining weight.
Fill in your details to see your daily calorie needs.
How to use
- Enter your age, gender, height and weight.
- Pick your typical activity level.
- See your BMR, maintenance calories, and targets for weight loss or gain.
Frequently asked questions
The Mifflin-St Jeor equation — regarded as the most accurate everyday BMR formula — multiplied by a standard activity factor for your TDEE.
The targets use ±500 kcal/day, roughly 0.5 kg per week. Consult a doctor or dietitian before major diet changes.