Lean Body Mass Calculator

Lean Body Mass Calculator

Calculate lean body mass and body composition

Note: Lean Body Mass (LBM) represents all body mass except fat. This calculator provides estimates based on various formulas. For accurate measurements, consider professional body composition analysis.

Personal Information

Body Fat Percentage (Optional)

Lean Body Mass (LBM)
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Body Fat Mass
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Body Fat Percentage
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LBM Classification
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Health Assessment
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Body Composition Guidelines

Essential Fat: Men 2-5%, Women 10-13%
Athletes: Men 6-13%, Women 14-20%
Fitness: Men 14-17%, Women 21-24%
Average: Men 18-24%, Women 25-31%
Obese: Men >25%, Women >32%

Recommendations

Enter information and click calculate to see recommendations.
Important: This calculator provides estimates based on formulas and population data. For accurate body composition measurements, consider professional methods like DEXA, bioelectrical impedance, or skinfold measurements. Always consult healthcare professionals for personalized health assessments.
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