Lean Mass Weight Calculator
Estimate your lean body mass (LBM) based on weight, height, age, and gender using the Boer formula. Ideal for fitness and health tracking.
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How to use this tool?
- 1 Enter the requested data in the fields above carefully.
- 2 Click the calculate button to process the information instantly.
- 3 Analyze the detailed result and the formula explanation presented below.
- 4 You can print, share, or even embed the calculator on your own site for free.
Unlike traditional static calculators, our tools adapt to specific user needs. They include detailed explanations of the formulas used, ensuring transparency in results. Furthermore, our design is focused on user experience, eliminating distractions and focusing on what really matters: your data and conclusions.
Previous Results
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Frequently Asked Questions
Lean body mass (LBM) is the total weight of your body minus all fat. It includes muscle, bone, organs, and water. It is a key metric for assessing body composition.
This calculator uses the Boer formula (1984): For males: LBM = 0.407 × weight (kg) + 0.267 × height (cm) - 19.2. For females: LBM = 0.252 × weight (kg) + 0.473 × height (cm) - 48.3.
Tracking lean mass helps monitor muscle gain or loss, assess metabolic health, and guide nutrition and exercise programs. It is more informative than total weight alone.
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