BMI Calculator Formula
| BMI Formula = | [ | weight in pounds
height in inches * height in inches |
] | x 703 |
Example
An adult weighing
170 pounds and
5 feet
11 inches tall would have a BMI =
170 pounds divided by
71 inches divided by
71 inches multiplied by 703 =
23.71
Weight in pounds =
170
Height in inches =
5 feet *
11 inches per foot =
60 +
11 =
71 inches
[
170 ÷ (
71 *
71 )] * 703 =
170 ÷
5041 * 703 =
23.71
| Underweight: | BMI less than 18.5 |  |
| Healthy weight: | BMI of 18.5 to 24.9 | |
| Overweight: | BMI of 25.0 to 29.9 | |
| Obese: | BMI of 30.0 or more |