Free Body Fat Calculator (US Navy Method)

Estimate your body fat percentage using the US Navy method. Simply input your measurements to get an accurate result.

How to Estimate Your Body Fat Percentage with the US Navy Method

Our free online body fat calculator uses the US Navy method to estimate body fat percentage from simple measurements. Just enter your height, neck, waist, and hip (for women) measurements to get a quick, reliable estimate. No complicated formulas—just accurate results you can trust.