Body Fat Calculator

Estimate your body fat percentage using the U.S. Navy circumference method. Requires a tape measure and takes less than a minute.

Your Result

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ResultWhat it means?
< 6% (men)Essential fatThe minimum level required to sustain vital organ function. Found in elite endurance athletes.
6-13% (men) / 14-20% (women)AthletesTypical body fat range for trained athletes. Lean and muscular.
14-17% (men) / 21-24% (women)FitnessIndicates a fit, lean physique with visible muscle definition.
18-24% (men) / 25-31% (women)Acceptable / AverageA generally healthy range for most adults.
—AverageWithin the population average range.
≥ 25% (men) / ≥ 32% (women)High body fatAbove the recommended range. Consider lifestyle changes and consult a healthcare professional.

Formula

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Body fat percentage is estimated from circumference measurements using a validated logarithmic equation.

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