How it works
TDEE is an estimate of daily energy expenditure after applying an activity factor to resting metabolic rate. It is not a promise of weight change.
Standard formula
BMR × activity factorWorked example
Use the same measurements over time and compare the estimate with observed trends rather than treating it as an exact measurement.
Frequently Asked Questions
What does TDEE mean?
It means total daily energy expenditure: an estimate of calories used in a day.
Is TDEE the same as BMR?
No. BMR is resting energy; TDEE adds an activity estimate.
How often should I update it?
Recalculate after meaningful changes in weight, height, age, or activity.
Can it diagnose metabolism?
No. It is a general mathematical estimate, not a clinical test.