Body Fat Calculator (Navy Method)

Estimate body fat percentage with the US Navy tape-measure method — just height, neck, waist (and hips).

Gender

Height (cm)

Neck (cm)

Waist (cm)

Hips (cm, women only)

Enter your measurements.

Informational only, not medical advice.

How to use

Enter your measurements in cm to estimate body fat percentage.

How accurate is the Navy method?

It is usually within 3-4% of lab methods for most people when measurements are taken correctly. Not medical advice.

Where do I measure?

Neck below the Adam's apple, waist at the navel (men) or narrowest point (women), hips at the widest point (women only).

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