Body Fat Calculator
Estimate your body fat percentage with the US Navy tape-measure method.
100% free No signup Private & offline-ready Works in your browser
About the Body Fat Calculator
The US Navy method estimates body fat from your height and a few tape measurements. Measure your neck below the larynx, your waist at the navel (men) or narrowest point (women), and your hips at the widest point (women).
Frequently asked questions
Is the Body Fat Calculator free?
Yes. The Body Fat Calculator on Apex Tool Station is 100% free with no signup and no watermark. Browser tools have no usage limits.
Are my files or data uploaded to a server?
No. Everything runs locally in your browser using JavaScript. Your files and text never leave your device, which makes it safe for private documents.
Does it work on mobile?
Yes. The tool works on any modern browser on Android, iPhone, Windows, Mac and Linux.