How many rolls of wallpaper for one wall?

Short answer

A 12 ft wide wall 8 ft high needs 8 strips of 20.5 in wallpaper. A 33 ft double roll gives 3, so buy 3 rolls (double rolls).

How to work it out

  1. Roll: 20.5 in × 33 ft = 56.4 sq ft
  2. Wall 12 ft = 12 ft ÷ 20.5 in roll width = 8 strips
  3. Strip: 8 ft + 4 in trim = 8.33 ft
  4. 33 ft roll ÷ 8.33 ft = 3 strips per roll → 8 strips ÷ 3 = 2.67 → 3 rolls

An accent wall is the most common wallpaper job, and the one people most often under-order by working in square feet. A 12 ft wall is 96 sq ft, less than two double rolls by area, but it takes 8 strips and each roll yields only 3.

Adjust for your project

ft
ft
Floor (or top of baseboard) to ceiling
On the label. Check the width and length: brands differ
in
On the label. 0 for plain paper or a random match
More options: Trim
in
Extra at the top and bottom of each strip to trim to the ceiling and baseboard
Rolls to buy3 rollsUS double roll
Full-height strips
8 strips
Strips per roll
3
Wall area papered
96 sq ft
Area of one roll
56.4 sq ft
  • Each roll gives 3 full strips of 8.33 ft; the offcut of about 8 ft per roll covers the short pieces over doors and under windows.
  • Buy all rolls with the same batch (lot) number, and one spare: a later batch can differ slightly in color.

For this job · affiliate link
Wallpaper hanging kitSmoother, seam roller, trimming guide and a sharp knife: the tools that decide whether the seams show.
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Rolls by wall height (same room and roll)

Rolls by wall height (same room and roll)
Wall heightStrips per rollFull-height stripsRolls to buy
7 ft48 strips2 rolls
8 ft38 strips3 rolls
9 ft38 strips3 rolls
10 ft38 strips3 rolls

What to know about papering one wall

  • 8 strips. 144 in ÷ 20.5 in is 7.02: seven strips leave a sliver of wall uncovered, so the eighth is a narrow strip cut from a full one.
  • 3 double rolls. Two rolls give 6 strips; the third roll supplies the last two and a spare.
  • 10 ft wall: 6 strips, 2 double rolls exactly.
  • Wider 27 in paper: a 12 ft wall is 6 strips (5.3 rounded up); a 27 ft roll gives 3 strips at 8 ft, so 2 rolls.

Start in the middle of the wall if the pattern is bold, so it sits symmetrically, or at the corner nearest the door if not. Mark a plumb line for the first strip; walls and corners are rarely straight. Painting the rest of the room? The other walls are on how much paint for a 12x12 room, less the accent wall.

Comparing paint and paper for an accent wall? See how much paint for an accent wall. For a whole room: how many rolls of wallpaper for a 12x12 room.

What you’ll need

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Frequently asked questions

How many rolls of wallpaper for a 10 ft wall?

2 rolls (double rolls): 6 strips.

How many rolls of wallpaper for a 14 ft wall?

3 rolls (double rolls): 9 strips.

How many rolls of wallpaper for a chimney breast?

A 5 ft wide chimney breast 8 ft high takes 3 strips: 1 roll (double rolls).

Sources