Calculate your Lean Body Mass (LBM) to understand your muscle mass and fat-free body composition. LBM is essential for tracking fitness progress and setting realistic goals.
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Calculate your Lean Body Mass using either metric (kg/cm) or imperial (lbs/feet) units. Uses the Boer formula for accurate results.
Learn what Lean Body Mass means and why it's important for your health and fitness goals.
Lean Body Mass (LBM) refers to the total weight of your body minus all the fat mass. It includes muscles, bones, organs, skin, and water.
Regular LBM measurements help track muscle gain during strength training and prevent muscle loss during weight loss programs.
This calculator uses the Boer formula, which is considered one of the most accurate equations for estimating lean body mass:
Compare your Lean Body Mass with average healthy ranges based on height and gender.