CalcMountain

Wallpaper Calculator

Estimate the number of wallpaper rolls needed based on room dimensions, pattern repeat, and roll size. Accounts for doors and windows.

Inputs

Standard US: 21", European: 20.5"

0 for no pattern or random match

Results

Rolls Needed

7

Net Wall Area

344 sq ft

Estimated Cost

$315.00

Wallpaper Breakdown

ItemValue
Wall Perimeter52 ft
Gross Wall Area416 sq ft
Openings Deducted-72 sq ft
Net Wall Area344 sq ft
Roll Size21" wide x 33 ft long (57.8 sq ft)
Pattern RepeatNone
Usable Coverage per Roll~56.0 sq ft
Rolls Needed7

Frequently Asked Questions

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