Wallpaper Calculator
Find how many rolls of wallpaper you need
Frequently Asked Questions
Divide the room's perimeter by the roll width to get the number of strips needed, then divide by how many strips fit in one roll's length. Add a waste allowance on top.
A pattern repeat means each strip must be cut a bit longer than the ceiling height to align the pattern with the next strip, which uses more wallpaper per strip and fewer strips per roll.
A standard door is about 17 sq ft (0.8m × 2.0m) and a standard window about 18 sq ft (1.2m × 1.4m) of area subtracted from the total wall area.
Yes — always buy all rolls from the same production batch, since color can vary slightly between batches, which becomes visible once hung.