The BMI calculator out of YAZIO is the best method to compute your own personal BMI, or body mass index. Only some basic dimensions : now I'm 5'9 1/2" tall and weigh 173lbs. If you compute your BMI yourself it is vital to make sure you measure your weight in kilograms and your height in metres. With a tape measure, measure the hips in inches (or centimeters) at the top of the hip bone on the