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New page: '''Body Mass Index''' utilizes one's weight and height to categorize them as being either underweight, healthy, overweight, or obese. It was invented by the Belgian Adolphe Quetelet (1796-...
'''Body Mass Index''' utilizes one's weight and height to categorize them as being either underweight, healthy, overweight, or obese. It was invented by the Belgian Adolphe Quetelet (1796-1874) between 1830 and 1850, and is a mathematical formula:
<math>BMI = \frac{weight}{height^2}</math>
where weight is in kilograms and height is in meters. If the weight is entered in pounds and the height is entered in inches, the equation is as follows:
<math>BMI = 703 x \frac{weight}{height^2}</math>
== Ranges of BMI ==
The ranges vary from different sources, but the most used guidelines are as follows.
A BMI of '''< 18.5''' indicates an '''underweight''' person. Many female celebrities have BMIs significantly less than this value, such as 15 or 16. Some have described the ideal BMI of a female to be 19.
A BMI '''between 18.5 and 24.9''' indicates a '''healthy''' person.
A BMI of '''between 25 and 30''' indicates an '''overweight''' person.
A BMI of '''over 30''' indicates an '''obese''' person.
<math>BMI = \frac{weight}{height^2}</math>
where weight is in kilograms and height is in meters. If the weight is entered in pounds and the height is entered in inches, the equation is as follows:
<math>BMI = 703 x \frac{weight}{height^2}</math>
== Ranges of BMI ==
The ranges vary from different sources, but the most used guidelines are as follows.
A BMI of '''< 18.5''' indicates an '''underweight''' person. Many female celebrities have BMIs significantly less than this value, such as 15 or 16. Some have described the ideal BMI of a female to be 19.
A BMI '''between 18.5 and 24.9''' indicates a '''healthy''' person.
A BMI of '''between 25 and 30''' indicates an '''overweight''' person.
A BMI of '''over 30''' indicates an '''obese''' person.