Height (in):

Height (m):

>30 = obese: >

25-29 is overweight.

18.5 to 25 is normal:

For pediatrics, see Pediatrics BMI calculator

More information on interpreting BMI is available from CDC and from a useful website called Halls.MD. Body Mass Index is defined as weight in kg divided by (height in meters) squared. http://MountainMeadow.us/bmi