c+CalcLantern

Wallpaper rolls

Estimate full-height strips from roll dimensions.

How this works

Round strip height to the pattern repeat, calculate strips per roll and divide the total strip count by that yield.

Example

Using the example inputs, whole rolls needed is 9 rolls.

Combined wall width
44 ft
Wall height
8 ft
Roll width
20.5 in
Roll length
33 ft
Vertical pattern repeat
0 in
Trim per strip
4 in
Price per roll
0 USD
Whole rolls needed
9 rolls

Scope and assumptions

Full-height, straight-match estimate; does not subtract openings. Half-drop patterns, corners and packaging may need more material.

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