Body Fat Calculator — U.S. Navy Method
Free body fat percentage calculator using the U.S. Navy circumference method. Enter height, neck, waist (and hip for women) in metric or imperial units.
Estimate your body fat percentage using the U.S. Navy circumference method — one of the most accessible and widely validated indirect body fat formulas. You only need a tape measure.
Men need: height, neck, waist. Women need: height, neck, waist, hip.
Enter Your Measurements
Optional — enables lean mass vs fat mass breakdown in results.