BMI Formula
Body Mass Index (BMI) is determined as follows:
English Formula
Weight in pounds ÷ Height in inches ÷ Height in inches x 703 = BMIMetric Formula:
Weight in kilograms ÷ Height in meters ÷ Height in meters = BMI
The above formulas for calculating body mass index have already been calculated and are presented in the BMI Table.
This is all much easier with the BMI Calculator Widget.
(From CDC)