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Calculate Your BMI


Body Mass Index (BMI) is a measure of the degree of your excess weight, based on weight and height. BMI is calculated by dividing body weight in pounds by height in inches squared and multiplying that amount by 704.5. This provides a metric calculation for BMI.

Example:
Height 5'4" = 64 inches X 64 = 4096
Weight = 240 pounds
240 รท 4096 = .058 X 704.5 = 40.86

Patient selection for weight loss surgery is based on the National Institutes of Health criteria:

  • 100 pounds or more above ideal body weight or a BMI of 40 or above
  • BMI of 35 or greater with one or more obesity-related health conditions

The individual in the example above would be classified as morbidly obese and would meet the initial eligibility for weight loss surgery.

BMI Calculator
Height:
feet    inches

Weight
lbs.




This calculator is not intended to replace the evaluation of a health care professional.