Estimate the total calories you burn per day (TDEE) from your BMR and activity level.
What this calculator does
Enter your details and activity level to estimate your total daily energy expenditure — your maintenance calories. It uses the Mifflin-St Jeor equation scaled by activity.
How to fill it in
- Enter your figures in the fields provided.
- The result updates as you type.
- Review the breakdown below the main number.
The formula
TDEE = BMR × activity factor
A worked example
The calculator opens with a activity level of Moderate (3–5 days/wk). On those figures the maintenance is 2,556. Underneath, BMR comes out at 1,649 kcal and Maintain weight at 2,556 kcal. Change any field and every figure updates as you type.
FAQ
What is TDEE?
Total daily energy expenditure — the calories you burn per day including activity. It’s your maintenance level.
How is it calculated?
BMR from the Mifflin-St Jeor equation, multiplied by an activity factor.