Free Online Lean Body Mass
Lean body mass from Boer, James, and Hume formulas. Results are estimates for planning only.
Boer
54.7 kg
- James
- 55.3 kg
- Hume
- 51.1 kg
- Body fat (Boer)
- 21.9%
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Tasks
Get an estimate
Enter your details; results update as you type.
How to use
- Open the tool.
- Fill in the fields (metric units unless noted).
- Read the results.
FAQ
What does Lean Body Mass do?
Lean body mass from Boer, James, and Hume formulas.
How do I get an estimate?
Enter your details; results update as you type.
How do I use Lean Body Mass?
Open the tool. Fill in the fields (metric units unless noted). Read the results.
Is my data private?
Yes. Numbers and text you enter stay on this device. Results are local estimates only.
Anything else I should know?
For information only — not medical advice.