Body Mass Index (BMI)

To find out how BMI is an indicator of health and more, click here

1.

Have participant step on scale to determine weight.
If weight is in pounds, calculate to kilograms. Formula is 2.2 lbs. = 1 kg
Record weight in kilograms on survey.

 
2.

Measure the height of participant in meters.
If height is in inches, calculate to meters. Formula is 0.0254m = 1 inch
Record height in meters on survey.

 
3. Calculate BMI Formula: Wt(kg)/ Ht x Ht(m x m)
Record BMI on survey.

 

Below are rough estimations of what the BMI numbers mean. Please keep in mind that muscle weighs more than fat, so if your body is all muscle you will have a higher BMI.

For ages 2 to 20 years, a body mass index -
· over 32 is considered obese.
· between 26.5 and 32 is considered overweight.
· between 17.5 and 26.5 is considered healthy.
· under 17.5 is considered underweight.

For adults, a body mass index -
· over 30 is considered obese.
· between 25 and 29.9 is considered overweight.
· between 18.5 and 24.9 is considered healthy.
· under 18.5 is considered underweight.

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