Calculate body fat percentage using the US Navy method. Enter waist, neck, and hip measurements.
| Body Fat % | — |
| Fat Mass | — |
| Lean Mass | — |
| Category | — |
Men: Essential fat 2–5%, Athletes 6–13%, Fitness 14–17%, Acceptable 18–24%, Obese 25%+. Women: Essential 10–13%, Athletes 14–20%, Fitness 21–24%, Acceptable 25–31%, Obese 32%+.