# How do I correctly calculate the number of wallpaper rolls I need? We are searching data for your request:

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## Answer: calculate the perimeter of the room, multiply by 2 and divide by 0.53.

Start with a calculator and a meter, because you will need it! First you have to measure the surface to be covered. The easiest way is to ignore doors or windows, this way you will have a surplus in case of cutting. Calculate the perimeter of the room, adding its width and its length, and multiply everything by 2. Then divide this figure by 0.53 m, the standard width of a wallpaper roll. This allows you to determine the number of strips needed. A roll of wallpaper is usually 10 meters long, divide this number by the height of the wall, and you will have the number of strips you can make with each roll. And there you have it, you have an estimate of the number of rolls you need!