Home & Life · Free tool

Wallpaper Roll Calculator

Rolls needed for any room — factors roll width, length, pattern repeat, and waste allowance.

Updated April 2026

Wall width (ft)Wall height (ft)Roll width (in)Roll length (ft)Pattern repeat (in, 0 if none)

Rolls needed

Waste: 36%

Inputs used

Strips per roll (after repeat): 3

Strips needed to cover width: 8

Wall area: 108.0 sqft · purchased paper: 169.1 sqft

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What it does

Rolls and waste for any room — saves you from mid-project trips to the store.

Runs entirely in your browser — no upload, no account, no watermark. For more tools in this category see the full tools index.