Nutrition
Total daily energy expenditure
The resting rate scaled by an activity factor that reflects how much the person moves.
The Formula
TDEE = BMR x activity factor
The resting rate scaled by an activity factor that reflects how much the person moves.
| Symbol | Meaning | Unit | Notes |
|---|---|---|---|
| BMR | Resting rate | calories | Calories burned at complete rest. |
| A | Activity factor | factor | From 1.2 for sedentary to 1.9 for extra active. |
What Each Symbol Means
BMRcalories
Resting rate
Calories burned at complete rest.
Afactor
Activity factor
From 1.2 for sedentary to 1.9 for extra active.
See It Worked With Real Numbers
A formula on its own does not tell you which number goes where. The how to calculate tdee page applies this equation to a concrete case, shows every intermediate step, and names the mistakes that produce a wrong answer even when the algebra is right.
Where This Formula Appears
This equation is the working core of How To Calculate TDEE, filed under Health. Every number the guide produces comes from substituting into this one line.