Lean Body Mass Calculator
Estimates lean body mass from weight, height and sex (Boer formula).
Every calculation runs instantly in your browser, so your inputs are never sent to a server, and the tool is free with no sign-up. You can save the results as an Excel file with live formulas and reuse them later.
Inputs
- Sex
- Weight (lb)
- Height (in)
Example calculation
Lean body mass: 134 lb
| In kilograms | 60.6 kg |
|---|---|
| Body fat mass | 41 lb |
Method & notes
Boer formula. An estimate; body composition testing is more accurate.
Tips
Change any input and the result recalculates in real time. After downloading the Excel file, you can reuse it by editing only the yellow input cells.
FAQ
How does the Lean Body Mass Calculator work?
Estimates lean body mass from weight, height and sex (Boer formula). Boer formula. An estimate; body composition testing is more accurate.
Can I save the results?
Yes. You can download the results for free as an Excel (.xlsx) file with live formulas that recalculate when you change the yellow input cells.
Is it free?
Yes — all Calcova calculators are free, and you can save results as an Excel file.