This lean body mass calculator will help you determine the weight of your body’s muscle, organ, bone, and water content.

## Lean Body Mass Calculator

### How to Use the Calculator

To use the lean body mass calculator, simply enter your total weight and body fat percentage into the respective input fields. After entering your details, click on the “Calculate” button to see your lean body mass displayed in the result field.

### How It Calculates Results

The calculator determines the lean body mass by subtracting fat mass (from the body fat percentage and weight provided) from total body weight. The formula used is:

**Lean Body Mass = Weight – (Body Fat % × Weight)**

### Limitations of the Calculator

Please be aware that the calculator’s accuracy depends on the correctness of the input data. Any inaccuracies in the entered weight or body fat percentage will affect the result. Moreover, this calculator assumes a constant density of fat and muscle, which may not be accurate for all individuals.