Lean Body Mass Calculator
Estimate your Lean Body Mass (LBM) using the Boer formula, an essential metric for tracking fitness progress and body composition.
How to Use This App
1
Step 1: Select Your Gender
Choose between male and female, as the calculation formula differs slightly.
2
Step 2: Enter Your Measurements
Input your current weight in kilograms (kg) and your height in centimeters (cm).
3
Step 3: Calculate Your LBM
The calculator will instantly estimate your Lean Body Mass based on your inputs.
About This App
Lean Body Mass (LBM) represents the weight of everything in your body except for fat. This includes your muscles, bones, organs, and water. Tracking your LBM is a more accurate way to measure fitness progress than tracking body weight alone, as it helps you see if you're gaining muscle and losing fat. This calculator uses the Boer formula, a widely accepted method for estimating LBM.
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