Body Fat Calculator

Estimate your body fat percentage using the US Navy tape measure method.

Height (inches)

Neck (inches)

Waist (inches)

Estimated Body Fat

17.5%

About Body Fat Calculator

This is a free, fast, and fully client-side body fat calculator tool. All processing is done locally within your browser to ensure maximum privacy and security. No data is sent to our servers. Bookmark this page for quick access to ad-free, high-performance SEO and developer utilities.