Waist-to-Hip Ratio Calculator

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The waist / hip (WHR) index reflects intraabdominal obesity. Increasing WHR index is correlated to disease other than BMI or weight alone.
WHR is defined as: W / H = Waist (cm) / Hips (cm)
Desired WHR level, normal range:
WHR index <0.8 in women.
WHR index <0.9 in men.
Waist (cm)
Hip (cm)
Men > 0,9  Female > 0,8

Pear shape (low health risk)
Women with a ratio of 0.8 or below (Men below 0.95) are considered to be pear shaped. People with pear shaped bodies are in the lower risk category for health problems such as heart disease, type 2 diabetes and some forms of cancer. In pear shaped bodies, fat tends to gather around the hips and buttocks, rather than the waist. This is purely down to genetics. However, The NHS notes that even pears are at higher risk if their waist measurement exceeds 37 inches / 94cm for men, or 31.5 inches / 80cm for women.

Apple shape (high health risk)
Women with a ratio of 0.85 or above (Men above 1.0) are considered to have apple shaped bodies. Fat tends to gather around the middle, and apple shaped bodies face a high risk of type 2 diabetes and heart disease, and even some types of cancer. Even people with a moderate BMI may find that the weight they do carry is around their middle.