From weight and fat %
Sample
Weight 80 kg, body fat 15%
What you get
Lean mass in kg for macro planning.
Lean Body Mass Calculator
Lean mass is total weight minus estimated fat mass proxies. Boer is one common regression—results are approximate.
Lean Body Mass Calculator
Lean body mass (Boer)
58.0 kg
Pounds
128.0 lb
These tools provide general fitness estimates only and are not a substitute for professional medical advice.
How to Use This Tool
- Enter current weight and height.
- Select sex.
- Read LBM in kilograms (and pounds).
Features
- Boer equation
- Dual-unit display
- Useful alongside body-fat tools
Example
Frequently Asked Questions
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