Nightroll

Free Wallpaper Calculator

Enter the room and roll size to see how many rolls to buy.

Buy all rolls from the same batch (lot number) so the colour matches.

Results

Rolls–
Strips–
Strips per roll–

How to make a wallpaper estimate

  1. Enter the room’s length, width and wall height, plus doors and windows.
  2. Enter the roll width, roll length and pattern repeat from the label.
  3. Read the rolls you need.

Frequently asked questions

What is the pattern repeat?
The height after which the pattern repeats. Each strip needs extra length so the pattern lines up, so a large repeat means fewer strips per roll.
Is my data stored?
No. Everything happens in your browser and your inputs are saved only on this device.