How it works
Round required strips by roll width. Round strip length up to the repeat, then find strips per roll.
Simple example
A 12 ft wall at 8 ft high with a 20.5 in roll needs about eight strips.
Paint & Walls
Wallpaper Roll Calculator
Estimate rolls with pattern repeat.
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Common question
Should I deduct windows?
Usually plan full drops around openings; matching and offsets vary.
This is a planning estimate. Check product instructions, dimensions and site conditions before purchasing or building.