Nutrition
Mifflin-St Jeor resting rate
The resting metabolic rate in calories per day, with s equal to plus five for men and minus one hundred and sixty-one for women.
The Formula
BMR = 10w + 6.25h - 5a + s
The resting metabolic rate in calories per day, with s equal to plus five for men and minus one hundred and sixty-one for women.
| Symbol | Meaning | Unit | Notes |
|---|---|---|---|
| w | Weight | kg | Body weight in kilograms. |
| h | Height | cm | Height in centimetres. |
| a | Age | years | Age in years. |
| s | Sex constant | calories | Plus 5 for men, minus 161 for women. |
What Each Symbol Means
wkg
Weight
Body weight in kilograms.
hcm
Height
Height in centimetres.
ayears
Age
Age in years.
scalories
Sex constant
Plus 5 for men, minus 161 for women.
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.