Body Fat Calculator

Estimate adult body fat percentage using the U.S. Navy circumference method.

How to use the Body Fat Calculator

Enter the circumference measurements required by the U.S. Navy method. The female formula also uses hip circumference.

About this calculator

Estimate adult body fat percentage using the U.S. Navy circumference method. CalcKitt keeps the inputs blank until you enter your own values, and results are calculated in your browser.

Measurement technique strongly affects the estimate. This is not a diagnosis.