BMI Calculator

Step 1

The first step in determining whether you are a candidate for weight loss surgery is to calculate your Body Mass Index, or BMI. Use the calculator on the left to do this automatically:

Please enter your weight and height.


Step 2

Click on the button to the lower left to calculate your BMI and use the chart below to help interpret this information.

BMI Chart

BMI Classification Health Risk
Under 18.5 Underweight Minimal
18.5 – 24.9 Normal Weight Minimal
25 – 29.9 Overweight Increased
30 – 34.9 Obese High
35 – 39.9 Severely Obese Very High
40 and Over Morbidly Obese Extremely High