The most simple algorithm for calculating the number of wallpapers used
Above bedroom example
4 walls: 4 meters + 4 meters + both sides of the window 1+1 + 3.1 = 13.1 meters (circumference is 13.1) Height is 2.65 meters
The main specifications of the wallpaper are {10 meters long * 0.53 meters wide = 5.3 square} {15.6 meters long * 1.06 meters wide = 16.5 squares}
The first calculation is 5.3 square rolls: the width of the wallpaper is 0.53 meters, and the total width of the wall is 13.1 meters.
Then 13.1 is divided by 0.53 = 24.1 (that is, 13.1 meters in width need to use 25 wallpapers of 0.53 meters. Generally, the waste of corners is 26 pieces.
A roll of wallpaper is 10 meters. The height of the wall is 2.65 meters. In addition to the waste of flowers, we need to cut the wallpaper into 3 meters each to be able to use 2.65 meters of wall, so only 3 can be cut per roll.
26 Except 3 = 8.6 (that is, 9 rolls are needed). Some of the windows and doors can be used to post the remaining wallpaper. If there are many small places, add a roll. (Formula: Wall Width - Divide - Wallpaper Width - Divide - Number of rolls per roll = Required Quantity {13.1 Divide 0.53 Exclude 3 = 8.23 ​​Synthesize 9}
Recalculate 16.5 square rolls: The width of the wallpaper is 1.06 meters, and the total width of the wall is 13.1 meters.
Then 13.1 is divided by 1.06 = 12.3 (that is, the width of 13.1 meters needs 13 wallpapers of 1.06 meters. Generally, the waste of corners is 14 pieces. A wall of wallpaper is 15.6 meters. The height of the wall is 2.65 meters. On the waste of flowers, we need to cut the wallpaper into 3 meters each to be able to use 2.65 meters of wall, so we can only cut 5 pieces of each roll. 14 items except 5 items = 2.8 (that is, 3 volumes are needed). Some of the doors, you can use the remaining wallpaper posts, if there are many small places, to be appropriate to add a roll.(Formula: Wall Width - In addition - Wallpaper Width - In addition to - the number of pieces per roll = the number required {13.1 In addition to 1.06 Divide 5 = 2.47 Synthesize 3})
The wallpaper of other specifications is the same algorithm as long as the specification changes.
Calculation formula floor purchase wallpaper window cubicle
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