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October 16, 2001 Pixels to Inches Conversion  Tips: October 2001
Yehuda Shiran, Ph.D.
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When you are dealing with page layout and document formatting, you need to be able to convert pixels to inches and vice versa. Suppose you get the margin specification in inches, and you need to format the page using the style object's pixel-based properties. One way to go about it is to set the location of an invisible marker in inches and then query its value in a script, yielding the same value in pixels. Let's see an example.
The following
Click here to print the offset of ratiomarker. Since the invisible marker's offset is one inch in the IMG tag, the returned value offsetLeft is the conversion factor, pixels per inch. Also, notice that the marker style must be defined with absolute positioning.
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