- Metric Units: BMI = Weight[kg] / ( Height[m] x Height[m] )
- English Units: BMI = 703 x Weight[lb] / ( Height[in] x Height[in] )

If you were wondering, the "703" in the English version of the formula is just a conversion factor. The more exact conversion factor is 703.069579639159, which means that if you are using English units and the formula listed above, your BMI is actually about 0.01% higher than the calculator reports, which of course doesn't really matter.

I also created a Gadget for iGoogle, which I've embedded below just to see if I could.

## 2 comments:

Care to do a template for BMI for age (children)? I have been trying to get that done right forever and can't seem to get it figured out.

Thanks! I appreciate it - even if there are a zillion BMI calculators, I found your Excel formula and it helped me for my "Less of Me" weight chart. Appreciate the formula!

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