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Body Fat Calculator

Estimate body fat percentage using the Navy method.

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Frequently asked questions

Is Body Fat Calculator really free?

Yes — Body Fat Calculator is 100% free with no signup, no watermarks, and no usage limits on the basic version.

Is Body Fat Calculator safe to use?

Your files are processed in your browser whenever possible and never stored on our servers.

Does Body Fat Calculator work on mobile?

Yes — it works on iPhone, iPad, Android, Windows and Mac in any modern browser.

Do I need to install anything?

No. Body Fat Calculator runs entirely in your browser. No download, no extension, no account.

What's the difference between Free and Pro?

Free covers the core Body Fat Calculator features with reasonable daily limits. Pro removes limits, lifts the file-size cap, and unlocks batch processing and embed widgets.

Other ways people use Body Fat Calculator

Popular long-tail searches — each opens a tailored landing page for that use case.

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