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Body mass index

  • The body mass index (BMI) calculator is designed for an adult with an average body type. It is not designed for pregnant women or children.

    The BMI calculator is not necessarily indicative of your overall health. It does not take into account your frame (for example, the broadness of your shoulders or the size of your pelvis) or your muscle mass. If you are concerned about your weight, talk to your doctor.

    To determine the body mass index of someone who is 2 to 19 years old, use the Centers for Disease Control and Prevention's BMI calculator for children and teens.

    For more fitness information, visit Get fit.

  • Calculate your body mass index


    Your bmi (%):


  • Source: Calle EE et al.  New England Journal of Medicine 1999; 341:1097-1105 Keys A et al. Journal of Chronic Disease 1972;25:329
    Reviewed by: Paul Kleeberg, MD, medical director, Internet/Intranet Services, Allina Health
    First published: 08/01/2000
    Last reviewed: 10/04/2004

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