⚡FFMI calculator

Fat-Free Mass Index · metric / imperial
kg
Use kg (1 kg ≈ 2.204 lb)
cm
1 cm = 0.3937 inches
%
Typical range: 6% – 30% (athletic ~10–18%)
21.4 kg/m² normal
💪 lean mass: 68.8 kg
Fat-Free Mass (FFM) 68.8 kg
Fat mass 11.2 kg
⚡ FFMI = FFM (kg) / height (m)²  ·  adjusted for height