Wallpaper Cost Calculator
Calculate exactly how much wallpaper you need and the total cost. Determine rolls required based on room dimensions, wallpaper pattern, and installation factors.
Step 1: Room Dimensions
Measuring Your Room
Measure each wall’s length and height. Multiply length by height for each wall, then add them together. Deduct windows and doors (standard door: 21 sq ft, window: 12-15 sq ft).
Step 2: Wallpaper Details
About Wallpaper Waste
Pattern matching can increase waste by 10-20%. Complex patterns require more wallpaper for proper alignment. Always add 10-15% extra for mistakes and future repairs.
Wallpaper Cost Results
Total Estimated Cost
Wallpaper Type Comparison
| Wallpaper Type | Average Cost/Roll | Difficulty | Waste Factor |
|---|
Cost Breakdown
Cost Calculation Formula
Total Cost = (Wall Area × (1 + Waste Factor) ÷ Roll Coverage) × Price Per Roll
Wall area is calculated from room dimensions minus windows/doors. Waste factor accounts for pattern matching and installation mistakes (typically 10-20%).
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