Wallpaper Calculator: How Many Rolls Do I Need?
Your numbers
Room length
ft
Room width
ft
Wall height
ft
Walls to paper
All four walls
One accent wall
Two walls
Three walls
Doors
Each ≈ 21 sq ft
Windows
Each ≈ 15 sq ft
Pattern
Plain or texture (5% extra)
Small repeat, under 6 in (10%)
Medium repeat, 6–12 in (15%)
Large repeat, over 12 in (25%)
Usable coverage per roll
sq ft
Typical US single roll ≈ 28 sq ft usable after matching; check the label.
Price per single roll
$
Calculate
Reset
Result
Calculator by
Yards And Bags Calculator
·
Formulas, examples and FAQ