Body mass index, or BMI, is a new term to most people. However, it is the measurement of choice for many physicians and researchers studying obesity. BMI uses a mathematical formula that takes into account both a person's height and weight. BMI equals a person's weight in kilograms divided by height in meters squared. (BMI=kg/m2).

Risk of Associated Disease According to BMI and Waist Size
BMI - Waist less than or equal to
40 in. (men) or
35 in. (women)		 Waist greater than
40 in. (men) or
35 in. (women)
18.5 or less Underweight -- N/A
18.5 - 24.9 Normal -- N/A
25.0 - 29.9 Overweight Increased High
30.0 - 34.9 Obese High Very High
35.0 - 39.9 Obese Very High Very High
40 or greater Extremely Obese Extremely High Extremely High


Body Mass Index (BMI) Calculator
Select your height in feet and inches :   
Enter your weight in pounds :   
   

Calculating your Body Mass Index (BMI) is one of the best methods used to determine your overall fitness. It is a method of relating your weight and your height that factors in your body fat percentage.

A BMI below 20 is considered to be underweight
A BMI of 20-25 is healthy
A BMI between 25-30 is considered overweight.

Not For Use By : Pregnant or Nursing Women / Anyone Less Than 18 Years old