Wallpaper Calculator

Project measurements

How to measure
  1. Measure the room’s length and width, or the width of the walls you will paper.
  2. Measure the wall height from floor to ceiling.
  3. Check the roll label for width, length and pattern repeat.

Quick start · tap one, then fine-tune

Room size
Ceiling height
Measure by

Results update as you type.

US length fields accept 12.5 or 12 ft 6 in. Your measurements stay in this page.

MAKE IT YOURSProduct & allowance assumptions8 settings · defaults shown · optional

From the label. 20.5 in × 33 ft is a common US double roll.

Default: 20.5 in

Default: 33 ft

Vertical repeat from the label. Enter 0 for random match.

Default: 0 in

Planning example; enter 0 doors for a cautious order.

Default: 20 ft²

Default: 15 ft²

About 2 in at the top and 2 in at the bottom, per York Wallcoverings’ hanging guide.

Default: 4 in

Whole strips, trim and repeat are already counted. Add spares here.

Default: 0 %

Default: blank

Calculator by Nestsums