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Body Mass Index Calculator

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Body Mass Index Calculator

What Is Adult BMI?

Body Mass Index or BMI is based on your height and weight. Doctors often use BMI to determine if a person is underweight, at a healthy weight or is overweight. While BMI is accurate for most people, it doesn't work for everyone. It's important to remember that:

  • If you are under 20 years old or pregnant or breast-feeding, the BMI calculator does not apply to you.
  • You could have a high BMI but be at a weight that is considered healthy if you're muscular or athletic.
  • You could have a normal BMI and have poor nutrition.
  • It's important to talk to your doctor about weight-related health risks.

Sources

  • Centers for Disease Control and Prevention. Body Mass Index.
    Available at http://www.cdc.gov/nccdphp/dnpa/bmi/.
    Accessed May 1, 2007.
  • The Practical Guide: Identification, Evaluation and Treatment of Overweight and Obesity in Adults. National Institutes of Health. National Heart Lung and Blood Institute. October 2000.