**How To Calculate Sq Footage For Wallpaper**. Click the button to calculate the number of rolls based on 56 square feet per roll and man-hours needed for this job. Multiply the width and the height of the wall using your rounded-up measurements.

Length x Width Area. Determine the square footage you wish to cover. For larger pattern repeats and complex room shapes we suggest asking your decorator.

### 33 ft by 9 ft 3666 which means 3 full lines out of each roll I can use.

Youll want to calculate your wallpaper in. Please see the product page to determine the square foot of each roll. Divide length of the wallpaper by the height of the wall. We have allowed for trimming and 10 extra for pattern matching based on a standard room layout.