You need to compare fontmetric(1,...) with the textbox height.

>I tried searching under "fontsize" for this, but didn't find what I'm looking for, so I'm going to ask...
>
>Anyway, I have a textbox with a courier new font (not bold). It will hold 2 characters. Given the height and width of the textbox, is there a way to determine the largest fontsize I can use? Some sort of forumla?
>
>Thanks,
>
>Michelle