I found some information that allows you to calculate your Body Mass Index (BMI) directly in case you (a) haven't got access to a web site at the moment you want to find it out, or (b) you want to do a more accurate calculation. I, for instance, wanted to enter my height as 5 feet 7.4 inches - but a lot of the web sites don't allow decimal points. And hey, a pound or two makes all the difference yes?!
The metric version
Divide your weight in kilogrammes by your height in metres squared (ie times your height in metres by itself).
Worked example
My weight in kilogrammes = 80.29
My height in centimetres = 171.196
My height in metres = 1.71196
My height in metres squared = 1.71196 x 1.71196 = 2.931
Weight divided by height = 80.29 / 2.931 = 2.74
So my current BMI is 27.4
The Imperial version
Divide your weight in pounds by your height in inches squared (ie times your height in inches by itself). Then multiply the reulting number by 703.
Worked example
My weight in pounds = 177
My height in inches = 67.4
My height in inches squared = 67.4 x 67.4 = 4542.76
Weight divided by height = 177 / 4542.76 = 0.03896
Multiply by 703 = 27.4
So my current BMI is 27.4 (half way in the 'overweight' category)
Enjoy!
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