Lean Body Mass Calculator

Enter your details below and get instant results

Enter the weight (kg) to calculate
Enter the height (cm) to calculate

Lean Body Mass Calculator

Calculate your lean body mass (LBM) using the Boer formula. LBM is the weight of everything in your body except fat.

How to Use

  • Enter your weight
  • Enter your height
  • Select your gender
  • Click Calculate to see your LBM and estimated body fat mass
Health 4 views Updated: Jul 2026

Formula

Male: LBM = 0.407W + 0.267H - 19.2 | Female: LBM = 0.252W + 0.473H - 48.3

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