Body Fat Percentage Calculator
Estimate your body fat percentage using the precision US Navy Method. A reliable way to track body composition changes beyond simple weight.
The Gold Standard of Tape Measurements
The US Navy method is a widely used formula that estimates body fat percentage using your height and circumferences of your neck, waist, and (for women) hips. It provides a more accurate picture of health than BMI alone, as it distinguishes between fat mass and lean tissue.
How to Measure Precisely
NeckJust below the larynx, pulling the tape slightly downward.Waist (Men)Horizontal at the navel level.Waist (Women)Horizontal at the narrowest point between navel and chest.Hips (Women)At the widest point of the buttocks.Body Fat Categories (ACE Standards)
Category Men Women Essential Fat 2–5% 10–13% Athletes 6–13% 14–20% Fitness 14–17% 21–24% Average 18–24% 25–31% Obese 25%+ 32%+ Body Fat FAQ