Wallpaper Calculator

Calculate wallpaper rolls for any room

🔒 Files never leave your browser

How to Use Wallpaper Calculator

Enter room

Enter room dimensions.

Enter roll size

Set roll width and length.

Calculate

See number of rolls needed.

Why Choose AllTools Wallpaper Calculator?

  • ✓ Room perimeter method
  • ✓ Roll size options
  • ✓ Pattern repeat factor
  • ✓ Door/window deduction
  • ✓ Waste included
  • ✓ No data stored

Why Use This Tool

  • ★ All calculations happen in your browser — no data shared
  • ★ Completely free with no usage limits
  • ★ No account or registration required
  • ★ Practical results for real-world home projects
  • ★ Works on any device including phones on-site

Related Resources

Calculate areas → Convert units → Calculate paint →

Frequently Asked Questions

How does pattern repeat affect rolls? ▼
Larger pattern repeats mean more waste when matching patterns. Add 15-20% extra for large patterns.
Does it handle pattern repeats? ▼
Yes. Enter the pattern repeat length and the calculator adds extra material to account for matching patterns across strips.
Does this work on mobile? ▼
Yes. All AllTools tools are fully responsive and work on phones and tablets.

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