Who invented the Body Mass Index Formula?

A Belgian invented this fomuls in 1835. What is BMI? Often people want to know the Body Mass Index, or BMI. It is your weight in kilograms divided by the square of your height in meters. A kilogram is about 2.2 pounds and a meter is about 39 inches. For example, if you weigh 80 Kg and your height is 1.6 meters (160 cm), then your BMI is 80 / (1.6 x 1.6) = 31. There are lots of web sites with BMI calculators so you just enter your height and weight and it tells you.