Body Fat Calculator
Estimate your body-fat percentage using the US Navy circumference method, which needs only a tape measure. It's a useful trend indicator, though methods like DEXA scans are more precise.
Body Fat Calculator
HealthEstimate body-fat percentage from measurements.
Body fat (US Navy method)
175 cm
cm
38 cm
cm
85 cm
cm
Estimated body fat
16.9%
US Navy circumference method - an estimate, not a clinical measurement.
- Category
- Fitness
Frequently asked questions
How accurate is the Navy method?
It's typically within ~3–4% of clinical methods for most people - good for tracking change over time, but not a medical diagnosis.
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