πŸ’ͺ FitnessUS Navy Formula

Body Fat Calculator

Estimate your body fat percentage using the US Navy circumference method and the BMI method. See your fitness category and ACE body fat guidelines.

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The US Navy method needs height, neck and waist. For women, also hips.

Body Fat Categories (ACE Guidelines)

CategoryMenWomen
Essential Fat2–5%10–13%
Athletes6–13%14–20%
Fitness14–17%21–24%
Average18–24%25–31%
Obese25%+32%+
Note: Body fat calculators provide estimates only. DEXA scans and hydrostatic weighing are the most accurate clinical methods. Consult a healthcare professional for precise measurement.