Lean Body Mass Calculator
Estimate your muscle and essential tissue mass
Calculate Your Lean Body Mass
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How to Use the Lean Body Mass Calculator
The Lean Body Mass Calculator estimates your muscle and essential tissue mass based on your weight and body fat percentage. This tool helps plan fitness and nutrition goals.
Step-by-Step Guide
- Enter your weight in kilograms (e.g., 70 kg).
- Enter your body fat percentage (e.g., 20%).
- Click “Calculate Now” to compute your lean body mass instantly.
- Review your lean body mass result in kilograms and muscle-building tips.
- Use “Calculate Again” to adjust inputs or try different measurements.
The calculator uses the formula: LBM = Weight × (1 − Body Fat/100). Results provide an estimate of your fat-free mass, useful for setting protein intake or training goals.
Use this tool with our Protein Intake Calculator to optimize muscle growth or consult a fitness professional for accurate body fat measurements.