The waist to hip ratio calculator gives determines the possibility of health risks and is an indication of whether you have an apple or pear shaped figure.
The waist to hip ratio measurement is calculated by dividing the measurement of your waist by your hip measurement.
Research from the Institute of Preventative Medicine in Copenhagen has indicated people who have more weight around their waist are referred to as apple shaped and are subject to more health risks than pear shape figured people, who have more weight around their hips. 
Measuring your hips and waist
In order to get optimum readings for your waist and hip measurements, measure the circumference of your hips at the widest point of your buttocks.
For your hips, measure your waist, which should be just above your belly button. You may also be interested in the BMI calculator