Wallpaper Calculator
Calculate the number of wallpaper rolls needed for your room. Account for pattern matching and waste.
Room Dimensions
Wallpaper Specifications
Common: 21 or 27 inches
Common: 33 or 56 feet
Set to 0 for no pattern
Wallpaper Needed
11 Single Rolls
or 6 Double Rolls
Room Perimeter
54 ft
Net Wall Area
414 sq ft
Strips Needed
31
Strips Per Roll
3
Coverage Details
Gross Wall Area486 sq ft
Deductions (doors/windows)-72 sq ft
Roll Coverage57.8 sq ft
Usable Coverage49.1 sq ft
Expected Waste15-20%
Tips
- Buy all rolls from the same dye lot
- Order 1-2 extra rolls for mistakes
- Larger patterns need more matching
- Check roll width - US vs European sizes differ