Our Wallpaper Calculator easily guides you through the wallpaper measurement process as well as calculates the amount of wallpaper and materials you will need your project.

How to measure for wallpaper in single rolls or double rolls or spools of wallpaper border, remember calculate more than you need of the same dye lot number so you can match colors later for repairs or additional papering. Always save excess wallpaper for future repairs or for shelf and drawer liners.

Also when calculating how much wallpaper is needed do not deduct for windows or doors. Having a little extra wallpaper can be very helpful especially for unforeseen wallpaper defects or wallpaper errors.

There are many things you should consider when measuring for wallpaper, like rooms of unusual size, shapes, or other circumstances. This will affect how to calculate the amount of wallpaper and materials needed, such as; large wallpaper patterns, drop match wallpaper, wallpaper repeats, wallpaper widths, vaulted ceilings, stairways, etc...