Text box size in relation to font

I am sure this is a very basic question but is there a formula for the size of a text box in relation to the font.

I am creating a label report with many fields in a small space. I can fit everything on the label but fields over lap and it is hard to add new fields and know how the label is going to look without printing.

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Hi Dennish,

That’s not really a simple question. I’m sure there’s a formula. Or rather many formulas.

The issue is that you are able to control both font size and font face/type - which all have different width per letter.

So I’ll say there is nothing else to do than a trial and error.

Thanks for the information. This is what I expected, but i was hoping I was wrong