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Wallpaper Calculator
Wallpaper is generally sold in two rolls to a package or
a double roll. Each standard single roll gives you about 28
square feet. Allowing for trimming and waste, the usable amount
in each single roll generally comes to 23-25 square feet.
This figure also takes into account waste resulting from the
drop pattern. This is the distance one section of new paper
must be dropped to match the pattern on the panel just installed.
To eliminate this concern and save paper, use two rolls at
a time and alternate.
Wallpaper is identified not only by its pattern number but
also by a number that is variously called a lot, batch, or
run number. This number shows that an entire print run was
made in that color, which indicates that the color is consistent.
The same color in a subsequent run with a different lot number
may be noticeably different. When buying wallpaper, purchase
more than you need of the same lot number so you can match
colors later for repairs or additional papering. Save excess
for future repairs or for shelf and drawer liners.
To estimate the amount of standard American wallpaper your
project requires, enter the measurements—rounded to
the nearest foot—into our pop-up calculator. The total
given is the number of rolls, not number of packages. To ensure
you have enough wallpaper, do not deduct the square footage
of doors and windows from the total area.
Tips on Measuring for Wallpaper
Before you begin, take the room measurements in the list
below.
1. Wall height
Measure from floor to ceiling.
2. Wall perimeter for areas you plan to wallpaper
Measure the length of each wall. Add all lengths together
to obtain the total horizontal distance, or perimeter.
3. Sloping walls
Sloping walls form a triangular wall space. To calculate a
triangle’s square footage, multiply the length of the
wall at the base of the triangle by its height and divide
by 2.
Suggestion
Ask your paint professional to measure for you and make recommendations.
Some rooms especially kitchens are difficult to measure accurately. |