Body Composition
Boer formula for lean body mass
Weight in kilograms and height in centimetres. The women's version uses 0.252W + 0.473H - 48.3 instead.
The Formula
LBM = 0.407W + 0.267H - 19.2 (men)
Weight in kilograms and height in centimetres. The women's version uses 0.252W + 0.473H - 48.3 instead.
| Symbol | Meaning | Unit | Notes |
|---|---|---|---|
| W | Weight | kilograms | Body weight in kilograms. |
| H | Height | centimetres | Height in centimetres. |
| LBM | Lean body mass | kilograms | Everything that is not fat. |
What Each Symbol Means
Wkilograms
Weight
Body weight in kilograms.
Hcentimetres
Height
Height in centimetres.
LBMkilograms
Lean body mass
Everything that is not fat.
See It Worked With Real Numbers
A formula on its own does not tell you which number goes where. The how to calculate lean body mass 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 Lean Body Mass, filed under Health. Every number the guide produces comes from substituting into this one line.