Health & Fitness
Body Fat Calculator
Free online body fat calculator — estimate your body fat percentage using the U.S. Navy method. Supports both male and female measurements.
Calculator
BODY COMPOSITION
Enter your measurements
Estimate body fat using the U.S. Navy circumference method.
YOUR ESTIMATE
METHOD & CONTEXT
How This Calculator Works
This calculator uses the U.S. Navy method, which estimates body fat percentage from neck, waist, hip, and height measurements. It is an estimate rather than a clinical measurement.
Body Fat Categories
MenRange
Essential fat2–5%
Athletes6–13%
Fitness14–17%
Average18–24%
Obese25%+
WomenRange
Essential fat10–13%
Athletes14–20%
Fitness21–24%
Average25–31%
Obese32%+