The Body Mass Index

Female 
Male 
Underweight 
< 19 
<20 
Acceptable 
19  25 
20  25 
Overweight 
25  30 
25  30 
Obese 
30  40 
30  40 
Morbidly Obese 
> 40 
> 40 
The
formula is:
BMI
= W / H ^{2}
where
W is the weight in kilograms and H is the height in meters.
