Body Fat Calculator

Estimate body fat percentage using the US Navy circumference method. Measure your neck, waist, and height (and hips for women) to see your result.

e.g. 178

Narrowest point

At navel

Estimated Body Fat

22.2%

Average

Body Fat Categories (male)

Essential Fat2%–5%
Athletic6%–13%
Fitness14%–17%
Average18%–24%
Obese25%–+

The US Navy method has ~±3.5% accuracy. Results are estimates — consult a healthcare professional for clinical measurement.

FAQ

Is Body Fat Calculator free to use?

Yes, Body Fat Calculator is completely free to use on UtilityCove.

Does Body Fat Calculator upload my data?

No. Body Fat Calculator runs in your browser, so your input stays on your device.

Can I use Body Fat Calculator on mobile?

Yes. Body Fat Calculator works on modern mobile and desktop browsers.