Health Calculators
Body Composition

Lean body mass calculator

Calculate your lean body mass (LBM) and body fat in pounds using the Boer formula — a clinical standard for composition tracking.

Your inputs

Results

Live result
Lean body mass
128.5 lb
Fat mass
41.5 lb
Estimated body fat %
24.4%
LBM (metric)
58.3 kg
Medical disclaimer: This tool is for general educational purposes only. It is not a substitute for professional medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider before making decisions about your health.

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