Lean Body Mass Calculator
Calculate your lean body mass โ everything in your body except fat tissue.
About Lean Body Mass
Lean Body Mass (LBM) = total weight minus fat mass. Calculated with the Boer formula โ the most accurate for most adults. LBM includes muscle, bone, organs, skin, and water. Tracking LBM helps you assess muscle gain/loss independent of fat changes.
Boer Formula
| Sex | Formula |
|---|---|
| Male | 0.407 ร weight(kg) + 0.267 ร height(cm) โ 19.2 |
| Female | 0.252 ร weight(kg) + 0.473 ร height(cm) โ 48.3 |
This calculator is for educational purposes only. Consult a qualified healthcare professional for medical advice.