Estimate lean mass, fat mass, and body composition.
Lean body mass = body weight × (1 − body fat fraction); fat mass = body weight − lean body mass.
A 80 kg person at 20% body fat has 64 kg of lean mass and 16 kg of fat mass.
It is everything in your body that is not fat—muscle, bones, organs, and water—often used to track muscle gain or fat loss.
It is derived from your body weight and an estimated body fat percentage, so accuracy depends on the body fat estimate.
No. Use for fitness tracking. Consult a provider for clinical body composition assessment.
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