York Wallpaper Formula:
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The York Wallpaper Calculator helps determine how much wallpaper is needed for a project by calculating the number of drops (vertical strips) and total length required based on wall dimensions and wallpaper pattern repeat.
The calculator uses these formulas:
Where:
Explanation: The ceiling function ensures you round up to the next whole number of drops to cover the entire wall length.
Details: Proper calculation prevents shortage of materials and ensures pattern matching across the wall. It helps minimize waste and additional purchases.
Tips: Measure all walls carefully. For patterned wallpaper, always account for the pattern repeat. Add 10% extra for waste and pattern matching.
Q1: What if my walls have doors/windows?
A: Calculate total wall length as if solid, then subtract approximate area of openings if they're significant.
Q2: How do I account for multiple walls?
A: Sum the lengths of all walls to be covered with the same wallpaper.
Q3: What about wallpaper with no pattern repeat?
A: Enter 0 for pattern repeat in this case.
Q4: Should I round up the final length?
A: Yes, always round up to the next full roll length when purchasing.
Q5: How much extra should I buy?
A: Professionals recommend 10-15% extra for waste, pattern matching, and future repairs.