01
What is TDEE?
Total Daily Energy Expenditure (TDEE) is the total number of calories your body burns in a day, including physical activity and basic life functions.
02
Activity Levels
Choose the option that best matches a typical week. Activity multipliers are broad estimates, so real energy needs can differ.
03
Using TDEE for Goals
For weight loss, eat fewer calories than your TDEE. For weight gain, eat more. The calculator provides suggested calorie targets for different goals.
Method and sources
Method: Mifflin–St Jeor estimate multiplied by an activity factor.
Supported population: Adults age 18 to 100 whose typical activity resembles one listed multiplier.
- The chosen multiplier represents a typical week
- Resting energy is reasonably estimated by Mifflin–St Jeor
Frequently asked questions
How is the TDEE estimate calculated?
Mifflin–St Jeor estimate multiplied by an activity factor.
What are the limitations of this TDEE estimate?
Activity factors are broad estimates. Real energy expenditure can differ substantially from the result.