Health Calculators
Lean Body Mass Calculator

Lean Body Mass Calculator

Calculate lean body mass with Calculator 360 using the available inputs.

Measurement units When changing units, enter measurements in the newly selected units; existing values are not converted in the form.

Sex used by the Deurenberg formula

Weight (lb or kg as selected)

Height (in or cm as selected)

Age (years)

Entered body fat (%) Enter an existing body-fat estimate. The calculator does not measure body fat.

Waist circumference (in or cm as selected)

Hip circumference (in or cm as selected)

Try an example

These calculators may also help

Glucose Converter

Open the available calculator.

Pack Years Calculator

Open the available calculator.

BMI Calculator

Open the available calculator.

Child BMI Calculator

Open the available calculator.

How to use this calculator

Calculate lean body mass from an entered body-fat estimate, alongside FFMI and waist ratios. The Deurenberg figure is a separate population estimate, not a measurement.

Enter the values required by the available mode. The result uses those inputs and the existing calculator formulas.

Existing population formula and entered measurements; results are estimates. References: Deurenberg et al. (1991): adult body-fat equation ·

Frequently asked questions

What does this calculator do?

Calculate lean body mass from an entered body-fat estimate, alongside FFMI and waist ratios. The Deurenberg figure is a separate population estimate, not a measurement.

Where do the values come from?

You enter the values shown in the form. The page does not retrieve live prices, rates, or personal health data.