Lean Body Mass Calculator
Enter your body weight and body fat percentage to see your lean body mass (everything except fat: muscle, bone, organs, water). Useful for fitness tracking, macro calculations, and understanding body composition.
Inputs
%
Results
Lean Body Mass
144.0 lbs
Fat Mass
36.0 lbs
Lean %
80.0%
Body Composition
Details
| Metric | Value |
|---|---|
| Total Weight | 180.0 lbs / 81.6 kg |
| Body Fat % | 20.0% |
| Lean Body Mass | 144.0 lbs / 65.3 kg |
| Lean Mass % | 80.0% |
| Fat Mass | 36.0 lbs / 16.3 kg |