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Wallpaper for a 12×20 Room

A 12×20 room with 8 ft walls is about 512 sq ft — roughly 11 double rolls once you allow 15% for pattern matching. Subtract big windows and doors below.

01 / YOUR MEASUREMENTSUpdate any value
Wallpaper rolls
11 rolls
Wall area
512 sq ft12×20 room, 8 ft walls (gross)
Double rolls
11 rolls~56 usable sq ft each, +15% pattern repeat
Cost (est.)
$385~$35/double roll

Planning estimate. Adjust allowances and sample prices for your supplier; tax, delivery, and labor are not included.

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Want the full guide — tools, step-by-step, common mistakes and FAQ? See the Wallpaper Calculator.

Other sizes

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