Lean Body Mass Calculator

1. Enter Weight and Height. 2. (Optional) Enter Body Fat %. 3. See your Lean Mass vs. Fat Mass.

The Lean Body Mass (LBM) Calculator reveals how much you would weigh if you had 0% body fat. It includes muscle, bone, water, and organs.

Knowing your LBM is critical for setting accurate macronutrient goals, especially for protein intake.