Free Body Fat Calculator
Estimate body fat with the US Navy method.
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About the Body Fat Calculator
Free body fat calculator. Estimate your body fat percentage using the US Navy tape method from a few simple measurements — no calipers needed.
How it works
- 1
Take measurements
Neck, waist, and hips if applicable.
- 2
Get your estimate
See your body fat percentage.
Frequently asked questions
It estimates body fat from your height and the circumference of your neck, waist and (for women) hips.
It's a good estimate for most people, though not as precise as a DEXA scan.