Fitness

Lean Body Mass Calculator

Lean body mass estimate using the Boer formula.

Free to use — no sign-up or login.

Lean body mass

kg

Fat mass

kg

This free Lean Body Mass Calculator covers Lean body mass estimate using the Boer formula.

Enter the Lean Body Mass Calculator fields, then read the output. Fitness calculators on this site keep the formula visible beside the form, with no account required.

Using the Lean Body Mass Calculator

Lean body mass estimate using the Boer formula. Typical inputs are Units, Sex, Weight (kg) and Height (cm). How it works beside the form states the identity the Lean Body Mass Calculator applies.

FAQ

How do I use the Lean Body Mass Calculator?

Open the Lean Body Mass Calculator, fill Units, Sex, Weight (kg) and Height (cm), and read the result. Apply the sex-specific Boer coefficients to weight (kg) and height (cm).

What formula does the Lean Body Mass Calculator use?

The Lean Body Mass Calculator uses the identity in How it works. In words: Apply the sex-specific Boer coefficients to weight (kg) and height (cm).

Sources

Assumptions and limitations

These fitness results are not a medical diagnosis or treatment plan. They use the named screening formulas only and cannot replace advice from a qualified clinician.