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💪 Body Fat Calculator

Estimate your body fat percentage using the US Navy circumference method. Requires waist, neck, and hip measurements.

💪 Calculate Body Fat %
cm
cm
cm
cm
Body Fat %
Category
Fat Mass
Lean Mass
kg

Body Fat Categories (Men)

  • 2–5% — Essential fat
  • 6–13% — Athletic
  • 14–17% — Fitness
  • 18–24% — Average
  • 25%+ — Obese

Body Fat Categories (Women)

  • 10–13% — Essential fat
  • 14–20% — Athletic
  • 21–24% — Fitness
  • 25–31% — Average
  • 32%+ — Obese

How to Measure

Measure neck at the narrowest point. Measure waist at the narrowest point (for men) or at the navel (for women). Measure hips at the widest point (women only). All measurements in centimetres.