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Determining Body Mass Index

What is body mass index?

Determining how much your adolescent should weigh is not a simple matter of looking at an insurance height-weight chart, but includes considering the amount of bone, muscle, and fat in his/her body's composition. The amount of fat is the critical measurement.

A good indicator of how much fat your adolescent carries is the Body Mass Index (BMI). Although it is not a perfect measure, it gives a fairly accurate assessment of how much of your adolescent's body is composed of fat.

To calculate your BMI using the English formula:

To calculate your BMI using the Metric formula:

BMI can be calculated using kilograms and meters.

BMI = Weight in Kilograms
(Height in Meters) x (Height in Meters)

For example, a person who weighs 99.79 Kilograms and is 1.905 Meters tall has a BMI of 27.5.

99.79 Kg = 27.5
(1.905 Meters) x (1.905 Meters)

A BMI between 25 to 29 is considered overweight. Anything over 30 is considered obese.

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