Lean Body Mass Calculator

Lean body mass is your total weight minus fat - muscles, bones, organs, water. Knowing it helps you set protein targets, track muscle gains, and calculate more accurate calorie needs. This gives you the number from three different formulas.

How to use

  1. Select your gender.
  2. Pick your units and enter your weight and height.
  3. Hit Calculate to see your LBM from three different methods.
  4. The three formulas usually give similar results. The average is a solid estimate to work with.

Related tools:

Body Fat CalculatorBMI CalculatorIdeal Weight Calculator