Body Fat Calculator
Estimate your body fat percentage using the US Navy method. Enter waist, neck, height, and hip measurements to get fat mass and lean mass results.
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How to Use This Body Fat Calculator
Select your gender, then enter your waist, neck, and height measurements in inches. Females also enter hip circumference. Click Calculate to see your estimated body fat percentage, fat mass, lean mass, and fitness category using the US Navy body fat formula.