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Wallpaper Calculator
Calculate wallpaper rolls from wall width, height, roll size (US, Euro, wide) and pattern repeat. Free and accurate.
Wallpaper Calculator
Rolls needed29 strips · 3 full-height strips per roll
Each strip is wall height + one pattern repeat for matching. Buy all rolls from the same batch/lot number, plus one spare. Windows and doors are not deducted (offcuts rarely match).
Frequently asked questions
Is my data uploaded?
No. The calculation runs entirely in your browser — nothing you type is sent to a server.
Is it free?
Yes — free, unlimited and no sign-up.