It is simple just enter your height in meters and weight in kilograms and get your BMI !
your results will be classified into :
Under Weight : from 10 to 18.4
Healthy : from 18.5 to 24.9
Over Weight : from 25 to 29.9
Obese : from 30 to 39.9
Very Obese : more than 40
Improving UI !