Thursday, July 30, 2009

How to Calculate your BMI (Body Mass Index)

Body Mass Index
Body Mass Index is simply a way of standardizing your weight by your height. This number can be used to compare with other human beings.

Step 1
Go to website and enter height and weight (it will give you BMI):
BMI English Units <--(Most Americans will go to this website)

BMI Metric Units (Height in Centimeters, and weight in KGs)


Step 2
Match it up on this Chart:

USA BMI categories:

Underweight = <18.5
Normal weight = 18.5-24.9
Overweight = 25-29.9
Obesity = BMI of 30 or greater

Singapore study I found on the internet:

I quote:

For Singapore Asians, the study suggests using a BMI of
27.0 as the cutoff for Obesity ( instead of 30 ), and using a Body Mass Index of
21.0
as the cutoff for Overweight ( instead of 25 ), because these values match the
same body fat percentages as caucasians.
These values also match the values
used in Indonesia.


See the article for yourself:

http://www.halls.md/bmi/singapore.htm

However in the Journal of Nutrition, this article below proposes 23.0 as a cutoff for Overweight (instead of 25 or 21). This makes a little more sense to me.

http://jn.nutrition.org/cgi/content/full/138/7/1377



But I think it would be best to double check these values. Maybe ...Maybe? there's a typo.

References:

Adapted from my previous blog on Asian BMI (Body Mass Index)
Wikipedia article on BMI BMI = Weight divided by Height squared.

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