Work Out How Many Rolls of Wallpaper
A free wallpaper calculator that works out how many rolls a room needs. Enter the room dimensions, the roll length and width and the pattern repeat, and it returns the number of full-height drops, how many drops fit a roll, and the rolls to buy.
How to estimate wallpaper
1
Enter the room size
Type the floor length and width and the wall height.
2
Enter the roll size
Copy the roll length and width from the wallpaper label.
3
Enter the pattern repeat
Type the repeat distance, or leave 0 for a plain paper, to get the roll count.
Count wallpaper rolls including the pattern repeat
Floor length and width — the wall perimeter is worked out from these.
m
m
mwall height
From the label — a standard European roll is 10.05 m long and 53 cm wide.
m
cm
The vertical distance the pattern repeats. Leave 0 for a plain or free-match paper.
cm
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Drops needed
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Drops per roll
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Rolls to buy
A 10 cm trimming allowance is added to each drop. A pattern repeat rounds each drop up to a whole repeat, which can noticeably increase the roll count.
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