Body Fat Calculator - Free Online Tool

Estimate body fat % with the US Navy method — no calipers needed, just a tape measure. Use this free tool online — no signup required, instant results on any device.

About This Tool

The Body Fat Calculator from OneTool is a free, browser-based tool that helps you estimate body fat % with the us navy method — no calipers needed, just a tape measure. All calculations are performed locally in your browser for maximum privacy and speed.

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