Lean Body Mass Calculator
Calculate Your Lean Body Mass
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Lean Body Mass Formulas
Lean Body Mass Formulas for Adults
The Boer Formula1:
For males:
eLBM = 0.407W + 0.267H - 19.2
For females:
eLBM = 0.252W + 0.473H - 48.3
The James Formula2:
For males:
eLBM = 1.1W - 128(W/H)2
For females:
eLBM = 1.07W - 148(W/H)2
The Hume Formula3:
For males:
eLBM = 0.32810W + 0.33929H - 29.5336
For females:
eLBM = 0.29569W + 0.41813H - 43.2933
Lean Body Mass Formula for Children
The Peters Formula4:
The author suggests that this formula is applicable for children aged 13-14 years old or younger. The formula is used to compute an eLBM based on an estimated extracellular volume (eECV) as follows:
eECV = 0.0215·W0.6469·H0.7236
eLBM = 3.8·eECV
Where:
- W = Weight in kilograms
- H = Height in centimeters
- eLBM = estimated Lean Body Mass in kilograms
- eECV = estimated Extracellular Volume in liters