Lean Body Mass Calculator
Calculate your Lean Body Mass (LBM) using Boer, James, and Hume equations, with daily protein and creatine intake guidelines.
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Quick Summary: Lean Body Mass Calculator
Lean Body Mass (LBM) is your total weight minus fat mass. In FY 2026-27, tracking LBM is critical for athletes to ensure that weight loss comes from fat and not from metabolic-boosting muscle mass.
How to use the Lean Body Mass Calculator
- 1
Enter Weight & Height
Input your current physical measurements accurately.
- 2
Choose Formula
Select Boer (best for most) or Hume (preferred for high-body fat) equations.
- 3
Analyze Muscle Mass
Calculate your LBM and set your daily protein targets based on fat-free mass.