How many rolls of wallpaper for a 10×12 room?
A 10×12 ft room with 8 ft walls (one door, two windows) has 301 sq ft of wall. With a small pattern repeat, buy 7 double rolls (13 single rolls).
Change the numbers
The calculator below is pre-filled for this project. Adjust any value — including feet and inches — and the results update instantly.
Wallpaper is usually priced per single roll but sold in double rolls.
Your results
Double rolls to buy7
Single rolls (as priced)13
Wall area to cover301 sq ft
Usable per single roll25 sq ft
Double rolls by pattern repeat
| Pattern repeat | 8 ft walls | 9 ft walls |
|---|
| Under 6 in | 7 | 7 |
| 7–12 in | 7 | 8 |
| 13–18 in | 8 | 9 |
| 19–24 in | 11 | 12 |
Just one accent wall?
The longest wall of this room (12 ft wide, 8 ft high) is 96 sq ft — about 4 double rolls with a small repeat.
The math
2 × (10 + 12) × 8 − 21 − 30 = 301 sq ft
301 ÷ 25 usable sq ft = 13 single rolls → 7 double rolls
Common questions
How many double rolls of wallpaper for a 10x12 room?
7 double rolls with 8 ft walls and a small pattern repeat.
Want the full method, tips and other sizes? See the wallpaper calculator guide.
Last reviewed November 1, 2026. Results are estimates — confirm with your supplier.
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