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FitNest

Lean Body Mass Calculator

Estimate the weight of everything in your body that is not fat.

54.7 kg

estimated lean body mass

Estimated fat mass
15.3 kg

Formula: Boer formula

About this calculator

  • Lean body mass includes muscle, bone, organs, and water — everything except fat tissue.

Disclaimer: This content is provided for general educational purposes only and is not medical advice, diagnosis, or treatment. Always consult a qualified healthcare professional before making decisions about your health, exercise, or nutrition.

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