Body Fat Calculator

Estimate your body fat percentage using the U.S. Navy method.

#health#calc

About the Body Fat Calculator

Body Fat Calculator is a free online Health & Fitness tool that runs entirely in your browser. There's nothing to install and no account to create — just open it and go.

Because Body Fat Calculator works client-side, your files are processed on your own device and are never uploaded to a server, keeping your data completely private.

Features

  • Runs 100% in your browser — nothing is uploaded
  • Free to use, with no sign-up and no limits
  • Fast results with a clean, simple interface
  • Works on desktop and mobile

How to use Body Fat Calculator

  1. Open Body Fat Calculator and load your file or input.
  2. Adjust the available options to fit your needs.
  3. Download or copy your result instantly.

Frequently asked questions

Is Body Fat Calculator free?

Yes — Body Fat Calculator is completely free, with no sign-up and no usage limits.

Are my files uploaded?

No. Body Fat Calculator runs entirely in your browser, so your files never leave your device.

Do I need to install anything?

No installation is required. Body Fat Calculator works directly in your web browser on desktop and mobile.