Lean Body Mass Calculator - Free, Instant, In Your Browser
Enter your weight, height, and gender to estimate your lean body mass (everything except fat mass).
How to use Lean Body Mass Calculator
- 1Enter the required date(s) and details above.
- 2Click Calculate - Lean Body Mass Calculator runs instantly, right in your browser.
- 3Read your result below.
Your file is processed in your browser and is never uploaded.
Frequently Asked Questions
What's the formula?
The Boer formula (metric): men = 0.407 x weight(kg) + 0.267 x height(cm) - 19.2; women = 0.252 x weight(kg) + 0.473 x height(cm) - 48.3. Distinct from ideal-weight-calculator (Devine formula) and body-fat-percentage-estimator (U.S. Navy method).
Is my data sent to a server?
No - everything runs entirely in your browser with JavaScript. Nothing is uploaded.