Wallpaper Calculator – Rolls for Any Room
Calculate wallpaper rolls needed for any room.
About This Calculator
Calculate wallpaper rolls needed for any room. Use the calculator above for instant results.
Worked Examples
- Area: 486 sq ft + 12% = 544 sq ft / 56 = 10 rolls
Answer: 10 rolls
- 320 sq ft + 12% = 358 sq ft → 7 rolls
Answer: 7 rolls
- 108 sq ft + 12% = 121 sq ft → 3 rolls
Answer: 3 rolls
Who Uses This Calculator?
Calculate wallpaper before buying.
Estimate wallpaper for any room.
Plan wallpaper installation project.
Bid wallpaper jobs accurately.
Common Mistakes to Avoid
❌ Pattern repeat adds waste
Large pattern repeats (18-27in) require extra waste. Add 20% for large repeats instead of 12%.
❌ Different lot numbers
Buy all rolls from same lot. Color can vary slightly between production runs.
Frequently Asked Questions
Standard roll coverage?
US double roll: ~56 sq ft. European single roll: ~28 sq ft. Always verify on the roll label.
Pattern repeat waste?
No pattern: 10-12% waste. Small repeat: 15%. Large repeat (24in+): 25%+.
Wallpaper vs paint?
Wallpaper lasts longer (10-20 years), is harder to install and remove. Paint is easier, cheaper, more flexible.