Lean Body Mass Calculator

Lean Body Mass Calculator. LBM from weight and body fat %. Fast, accurate, private.

US Navy circumference method (cm).

Body fat %
15.4%

Estimate only — not a clinical measurement.

Steps

  1. Open the calculator
  2. Enter your values
  3. Read the result instantly

Related

Calculate lean body mass (LBM) from total weight and estimated body fat percentage.

FAQ

Are results official?

No — quick estimates only. Confirm with your bank or provider.

Is data saved?

No. Calculations run in your browser.

Where is the full tool?

Each satellite links back to the main hub calculator.