Lean Body Mass Calculator
Calculate your Lean Body Mass (LBM) using multiple formulas and track your muscle mass.
What Is Lean Body Mass and How to Calculate It
Lean Body Mass (LBM) is the total weight of your body minus the fat mass. It includes muscles, bones, organs, and water. Understanding your LBM is essential for:
- 1
Fitness Tracking
Monitor muscle gain and fat loss progress
- 2
Health Assessment
Evaluate body composition and overall health
- 3
Athletic Performance
Optimize training and nutrition plans
LBM Formulas for Men and Women: Boer, James, and Hume
Different formulas are used to calculate LBM, each with specific applications and accuracy levels:
- 1
Boer Formula
Best for athletes and bodybuilders
- 2
James Formula
Suitable for general fitness tracking
- 3
Hume Formula
Ideal for non-athletic individuals
Related Health & Fitness Tools
Body Fat Calculator
Directly complements lean mass by calculating fat percentage.
BMI Calculator
General indicator of weight status, often compared with LBM.
BMR Calculator
Lean body mass is a key factor in determining basal metabolic rate.
Body Surface Area Calculator
Another metric related to body size and composition.
Waist-to-Hip Ratio Calculator
Measures fat distribution, useful alongside lean mass.
Calorie Calculator
LBM affects daily caloric needs significantly.