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How is body mass index (BMI) calculated?

April 26, 2017BMI body mass index calculated

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How is body mass index (BMI) calculated?

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[UPDATED from QR Issue 1, #1] There are several ways to calculate BMI: BMI can be calculated using pounds and inches by performing the following three steps: (1) multiply the persons weight in pounds by 703 (2) divide the answer by the persons height in inches (3) divide that answer by the persons height in inches BMI can also be calculated by dividing the persons weight in kilograms by the persons height squared in meters. An online BMI calculator and a BMI table are available at the Web site of the National Heart, Lung, and Blood Institute (NHLBI) [http://www.nhlbi.nih.gov/guidelines/obesity/ob_home.htm]. The BMI calculator accepts entries in either pounds–inches or kilograms–centimeters. A BMI table is also printed in the March 2007 issue of The Complete Practitioner. BMI categories are as follows: below 18.5 indicates underweight 18.5 to 24.9 indicates normal weight 25 to 29.9 indicates overweight 30 to 39.9 indicates obesity 40 or above indicates extreme obesity. SOURCE: The Com