Accent Wall Calculator
One wall, one roll size, one number. The same strip method as the full room sheet, sized for a single feature wall.
Sheet 2 of 9
One wall, no list to manage. Papering the rest of the room as well? Sheet 1 rounds each wall up separately, which is not the same as one long wall.
Single roll or double is yours to state. Match type and waste are set below, not guessed for you.
Order
3rolls
6 drops × 1.10 waste = 7 → ÷ 3 per roll = 2.33 → 3 rolls
- Drops for this wall
- 6
- Drops per roll
- 3
- Cut length per drop
- 8 ft 9 in
- Wall area
- 96 sq ft
- Left on the last roll
- 19 ft 9 in
- Area ÷ coverage check
- 2 rolls
Your wall, in drops
What counts as an accent wall
A free accent wall calculator for a DIY feature wall: one wall papered, the others painted. It is usually the wall behind a bed, a sofa, or a fireplace, and it is the cheapest way to use an expensive paper: a roll that would be extravagant across a whole room is affordable across one wall.
Only one measurement matters here, and it is the wall itself. Estimating one wall is the same arithmetic as estimating four, with one difference that matters. Drops are rounded up per wall, so four separate 10 ft walls need more paper than one 40 ft run of the same height. If you are papering more than one wall, the full room sheet rounds each one separately and will give you a different, larger number. That difference is real, not a rounding quirk.
This is a wallpaper tool. If you searched for an accent wall calculator expecting paint coverage in gallons, or a board-and-batten spacing layout, neither is here.
How the accent wall sheet works
Measure the one wall
Width along the floor, height floor to ceiling. If the wall has a chimney breast or a return, measure the widest part and treat the alcoves as extra walls on the full room sheet.
Copy the roll from the label
Roll width, roll length, and the vertical repeat. On a feature wall the repeat matters more than usual, because one big pattern across one wall is the whole point.
Pick the match and the waste
Match type sets the rounding on every cut. On a short run of drops, keep the waste allowance at 10% or more, because one spoiled drop out of six is already 17%.
Add the opening if there is one
A single door or window on the wall. Leave the deduction off for patterned paper: drops beside an opening still run full height and still have to match.
For the full method with a worked room, read the step-by-step guide.
One wall, by width
| Wall width | Drops | Drops + waste | Rolls |
|---|---|---|---|
| 8 ft | 4 | 5 | 2 |
| 10 ft | 5 | 6 | 2 |
| 12 ft | 6 | 7 | 3 |
| 14 ft | 7 | 8 | 3 |
| 16 ft | 8 | 9 | 3 |
| 20 ft | 9 | 10 | 4 |
Every figure assumes that roll and that repeat. Change either and the drops per roll change with it, which is why the ticket above asks for both. A narrower 20.5 in roll needs more drops for the same wall.
Other sheets
- 1Wallpaper CalculatorMulti-wall strip method
- 3Wallpaper Mural CalculatorPanel grid
- 4Peel and Stick Wallpaper CalculatorStrip method with peel presets
- 7European Wallpaper Roll CalculatorMetric strip method
Nothing on this site is for sale.
Questions people ask
How much wallpaper do I need for one wall?
Divide the wall width by the roll width and round up: that is the number of drops. Work out the cut length (wall height plus about 4 in of trim, rounded up to a whole pattern repeat), divide the roll length by it and round down for drops per roll, then divide drops by drops per roll and round up. A 12 ft wall at 8 ft high, papered with a 27 in × 27 ft roll on a 21 in straight repeat, needs 6 drops and 3 rolls.
How many rolls of wallpaper do I need for one wall?
Usually two to four for a typical feature wall, but it depends entirely on the roll and the repeat. The count above updates as you type. A wide 27 in roll covers a 12 ft wall in 6 drops; a narrow 20.5 in roll needs 8, which can push you into an extra roll.
How do I calculate how much wallpaper I need for one wall?
Measure the wall width along the floor and its height floor to ceiling. Take the roll width, roll length, and vertical repeat from the label. Enter both and read the roll count. The drawing shows how the drops sit on the roll and where it runs out.
How much wallpaper do I need to cover one wall?
Measured in paper rather than rolls: drops × cut length × roll width. The readout shows it as the wall area and the paper in the order, so you can see how much of what you buy ends up on the wall and how much is offcut.
How much wallpaper do I need for one wall in inches?
Enter feet and inches separately on the ticket. The cut length is reported in feet and inches, and the wall area in square feet. Roll width and vertical repeat are entered in inches, matching how US labels print them.
How much wallpaper paste do I need for one wall?
This calculator sizes paper, not paste. Paste coverage is printed on the tub or packet and varies by type, and many modern papers are paste-the-wall. Check the adhesive packaging against your roll count.
Should I use the accent wall calculator or the full room calculator?
Use this one when you are papering a single wall and leaving the rest painted. Use the full room calculator when you have two or more walls: it adds each wall separately and rounds drops up per wall, which is not the same as papering one wall of the combined width.
How do I calculate accent wall wallpaper rolls needed?
The count is above. If you want to check it by hand: drops = ceil(wall width ÷ roll width), cut = wall height + trim rounded up to the repeat, drops per roll = floor(roll length ÷ cut), rolls = ceil(drops × (1 + waste) ÷ drops per roll).