Math
Body Fat Calculator
Privacy Verified
Estimate your body fat percentage using the trusted US Navy circumference method from your height, neck, waist (and hip) measurements. Free, private, instant.
Privacy & Security
All processing happens locally in your browser — nothing is uploaded.
Data: None
Client-side-Side
Active
v1.0
How to Use
Choose sex and enter your measurements in cm. Body fat % and category are calculated instantly.
Disclaimer: This tool is provided "as is" without warranty of any kind. Results are for educational and utility purposes.
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