Body Fat Calculator
The Navy method uses a few girth measurements and log equations. Follow standard tape placement for best consistency.
Body Fat Calculator
US Navy circumference method (measurements in inches).
Body fat (estimate)
21.3%
These tools provide general fitness estimates only and are not a substitute for professional medical advice.
How to Use This Tool
- Measure per protocol (inches).
- Enter values for your sex.
- Review the estimated body fat percentage.
Features
- Separate inputs for men and women
- Inch-based formula
- Copy-friendly result