: I didn't know Excel did that either.

I didn't either and I use Excel a fair amount. I went to Google looking for for an idea on how to make it do it. Found out it was built in!

I don't mind working in Metrics, but since is it not my first language I have a hard time 'thinking' in metric. I can work with it but I can not look at something and think, "I need to add 5mm there".