Using the calculator
Enter Sex used by equation, Height, Neck circumference, Waist circumference, and the other fields shown. Estimate adult body fat percentage using the US Navy circumference method with body composition category context.
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Body Fat Calculator
Estimate adult body fat percentage using the US Navy circumference method with body composition category context.
Enter your measurements and health details
Use current, consistently measured values for the body fat calculation. Results update automatically and are intended for education and planning, not diagnosis.
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Estimated body fat—
Estimated fat mass—
General adult reference category—
Important: Health results are educational screening and planning estimates. They are not a diagnosis and are not a substitute for medical care.
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How to use this calculator
Reading the result
The result shows adult body fat percentage using the US Navy circumference method with body composition category context.
Results are estimates based on the values entered. Review the Methodology and Calculator Disclaimer for important limitations.