Originally Posted by willus
I'm glad that worked. I use Sumatra PDF to view PDFs on my PC. If you press Ctrl-D while viewing a PDF with Sumatra, it will display the size of the page being viewed. I'm sure other PDF viewers have similar functionality. I just guessed that the size was supposed to be in centimeters rather than inches, since it seemed about right for a letter-sized page, so I used 1/2.54 = roughly 0.4.
Thank you so much for this! It really helped!