Compare calculators

Both calculators run independently — change the inputs on either side to compare results.

Waist-to-Hip Ratio Calculator

Divides your waist circumference by your hip circumference to gauge how body fat is distributed — a strong, simple predictor of cardiometabolic risk. A higher ratio indicates more abdominal ("apple-shaped") fat, which carries greater health risk than fat stored on the hips and thighs.

Waist Circumference (cm)

Hip Circumference (cm)

Health

Body Fat Calculator (Navy Method)

Estimates body fat percentage using the U.S. Navy circumference method, which needs only a tape measure — no calipers or scales. It combines neck, waist, height (and hip for women) into a validated equation used by the military for body-composition screening.

Sex

Height (cm)

Neck Circumference (cm)

Waist Circumference (cm)

Hip Circumference (women) (cm)

Key differences

	Waist-to-Hip Ratio Calculator	Body Fat Calculator (Navy Method)
Category	Health	Health
Inputs required	2	5
Result	Waist-to-Hip Ratio	Estimated Body Fat (%)
What it does	Divides your waist circumference by your hip circumference to gauge how body fat is distributed — a strong, simple predictor of cardiometabolic risk. A higher ratio indicates more abdominal ("apple-shaped") fat, which carries greater health risk than fat stored on the hips and thighs.	Estimates body fat percentage using the U.S. Navy circumference method, which needs only a tape measure — no calipers or scales. It combines neck, waist, height (and hip for women) into a validated equation used by the military for body-composition screening.