Are You Overweight? The medical community uses a term called Body Mass Index or "BMI" to determine how overweight a person is. Typical BMI may be from 25 to 30. Individuals with a BMI over 40 may qualify for bariatric surgery. To find your BMI, fill out the form below: How tall are you? feet,   inches. (Note: don't put " or ' marks in the spaces above.)       How much do you weigh? lbs.       More BMI Details The BMI formula is     (Weight in kilograms)   (Height in meters)2