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Adult BMI Calculator

Adult BMI Calculator

Body Mass Index (BMI) is a number calculated from a person's weight and height. BMI is an inexpensive, easy, and fairly reliable indicator of body fatness for most people. BMI is used as a screening tool to identify possible weight problems for adults. However, BMI is not a diagnostic tool. A healthcare provider generally needs to perform additional assessments to determine risk of different diseases.

Interpretation of BMI for adults For adults 20 years old and older, BMI is interpreted using standard weight status categories that are the same for all ages and for both men and women. For children and teens, on the other hand, the interpretation of BMI is both age- and sex-specific.

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