Body Fat Percentage

Estimates body fat from tape-measure circumferences.

How this is worked out

The US Navy circumference method. It is sensitive to measurement error — moving the tape a centimetre can move the result several points. Measure the neck just below the larynx and the waist at navel height, without holding your breath or pulling the stomach in. The change over time between measurements taken the same way means far more than any single absolute figure.

These calculators are for general information and are not a substitute for medical advice. What you type stays in your browser; nothing is sent to a server.