Free TDEE calculator: combine a Mifflin-St Jeor BMR with an activity factor to estimate your total daily energy expenditure. A general estimate only. 100% Local
How to Use the TDEE Calculator
Enter your details, choose an activity level and press Estimate TDEE. The result updates as you type.
How it works
A Mifflin-St Jeor BMR is multiplied by an activity factor.
Sedentary is 1.2 and very active is 1.9, with three levels in between.
TDEE estimates what you burn in a typical day and is a basis for calorie targets.
Features
Total daily energy expenditure estimate
Five activity levels from sedentary to very active
Shows the BMR and activity factor used
All processing runs locally in your browser. Your data is not uploaded to any server.