💪 Clinical Anthropometric Body Profiler

Lean Body Mass Calculator

Estimate your fat-free lean tissue weight using validated clinical equations (Boer, James, and Hume) to optimize protein dosing and athletic training.

Body Metrics
Estimated Lean Body Mass (Boer Standard)
62.6 kg
138.0 lbs (78.3% Lean Muscle & Bone)
Boer Formula
62.6 kg
James Formula
61.9 kg
Hume Formula
62.1 kg
Estimated Fat Mass
17.4 kg (21.7%)
Body Mass Index (BMI)
24.69 kg/m²
💡 Optimal Protein Dosing Benchmark:

Athletes aiming to maximize muscle hypertrophy should consume 100g to 138g protein/day (1.6 - 2.2g per kg of LBM).

Clinical Lean Body Mass Equations

Lean Body Mass equations use weight ($W$ in kg) and height ($H$ in cm) to estimate non-adipose tissue: