*actual size of the file is 21"x18.03" - the extra .03" height is blank space at the top, so that when buying yardage the numbers line up perfectly. No seam is visible side-to-side or up-and-down; a yard still makes random numbers!
**many computers use the digits of pi to provide random numbers, and now you can, too!
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Wallpaper Coverage Calculator
Based on the dimensions you provide, this calculator will determine the number of custom-length sections of paper you'll need to cover any surface. If the height of your surface varies, input the tallest dimension in order for the pattern to line up correctly.
Enter your dimensions in feet (1 foot is 30.48 cm).