Estimate adult body-fat percentage from body measurements using the U.S. Navy circumference method.
Body composition, energy, strength and fitness estimates for general reference.
Enter the requested values above and select Calculate. Change any input to compare scenarios instantly.
Enter height, neck and waist measurements (and hips when applicable) to estimate body-fat percentage.
Estimate adult body-fat percentage from body measurements using the U.S. Navy circumference method. Use it for quick estimates and comparisons; verify high-stakes health, training or measurement decisions with an appropriate authoritative source.
Estimate adult body-fat percentage from body measurements using the U.S. Navy circumference method.
U.S. Navy circumference equations use height, neck and waist measurements; the female equation also uses hip circumference.
Yes. ERICH Calculators is free to use and no account is required.
Uses the commonly published U.S. Navy circumference equations. Measurement technique can materially affect the estimate; this is not a diagnosis.
See how formulas, sources and limitations are handled across ERICH Calculators.