>I undestand that the differnce between the 2, but how do I know what width to set a text box without having to resize until the width is correct for the text displayed in the box.
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>If the text is 12.000 foxels, what width will i have to set the text box to display the text.
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>Thanks

You may have to add the font name and size, but FONTMETRIC(6) * LEN(cExpression), will give you the number of pixels required.