Match type matters
A drop match, half-drop match, or unusually large repeat can use more paper than a straight or random match.
Complimentary Project Calculator
Estimate wallpaper by usable drops, not area alone.
Pattern matching can shorten the useful length of every roll. This planner makes that loss and the waste allowance visible before you buy.
Three reasons the package estimate may differ.
Openings do not erase every cut
Doors and windows may reduce area without reducing the number of full-height strips needed across the wall.
Keep one dye lot
Buy the required quantity together when possible and keep an unopened roll until the project is complete.