Commercial-intent calculator
Wallpaper Calculator
Estimate wallpaper rolls for room walls and waste allowance.
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Estimate only. Adjust inputs for your product and check local requirements before buying or building.
Wallpaper area301.0 sq ft
Area with waste346.2 sq ft
Rolls needed7 rolls
Constants status
Market start: United States
Profile: United States
The Home Depot Tempaper wallpaper listing: Supports the US wallpaper roll-coverage default of 56 sq ft for a named roll product. Pattern waste and opening deductions stay visible inputs. Verified 2026-09-03.