Estimate wallpaper by room size. To calculate the number of wallpaper rolls needed, take the distance around the room in feet and then take the height from floor to the ceiling. Calculate how many rolls of wallpaper you need and estimate the cost by entering the room size. For wallpaper with a repeating pattern, you can use a wallpaper calculator with repeat. But for this one, here are the steps: For a quick estimate, use our wallpaper calculator below. Enter your measurements below to estimate how many rolls of wallpaper you’ll need. This calculator is to be used as an estimating tool only. Pair your measurements up on the chart below to determine the number of rolls. Calculate how many rolls of wallpaper you need and estimate the cost by entering the room size. For larger pattern repeats and complex room shapes, we suggest asking your decorator. This estimator determines the approximate amount of wallpaper you need, area you will cover, number of rolls, and optional trim required for your room. Measure your room wall by wall. Wallpaper calculator finds the number of wallpaper rolls you need to buy for your room. It automatically calculates everything based on the information you enter. Click the button to calculate the number of rolls (based on 56 square feet per roll) and man-hours needed for this job. . We have allowed for trimming and 10% extra for pattern matching, based on a standard room layout. This online tool is also known as a wallpaper estimator and you can use it to help you determine how much wallpaper you need for your project. A standard roll of wallpaper covers 36 sq ft. Input length of each wall, height and the number of doors and windows of the room to be wallpapered. Wallpaper Calculator. sldv mju zbzxw rug fgfj nwwjgw ioy iplvgm mdiviztk cjy