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💪 Lean Body Mass Calculator

Calculate your lean body mass and track your muscle-to-fat ratio

If you don't know your body fat %, use our Body Fat Calculator

Your Results

Lean Body Mass: -
Fat Mass: -
Muscle Mass Percentage: -
Body Composition Category: -

Understanding Lean Body Mass

Lean Body Mass (LBM) represents the weight of your body minus all the fat. It includes muscles, bones, organs, and body water. Understanding your lean body mass is crucial for:

Why Lean Body Mass Matters

Lean Body Mass Categories

Excellent: High muscle mass relative to body weight

Good: Above average muscle mass

Average: Normal muscle mass for your demographics

Below Average: Lower muscle mass, may benefit from strength training

How to Improve Lean Body Mass

Important Notes

This calculator provides estimates based on body fat percentage. For the most accurate body composition analysis, consider DEXA scans, BodPod, or other professional methods. Results should be used as a general guide and not for medical diagnosis.