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Wallpaper Calculator
Find how many rolls of wallpaper you need.
ft
ft
in
ft
in
sq ft
How it works
Each strip is as long as the wall height plus the pattern repeat. Strips per roll = roll length ÷ strip length (rounded down). Strips needed = total wall width ÷ roll width, minus the strips you will not need above and below openings. Buy one extra roll for mistakes and future repairs.
FAQ
Is this calculator free?
Yes. No signup is needed and nothing you enter is stored.
Is the result exact?
Results are rounded for display. For financial, medical, or legal decisions, confirm with a professional.
Do my numbers leave my device?
No. The calculation runs in your browser.