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Renovation and materials

Wallpaper roll calculator

Calculate net wall area, reserve, rolls to buy, material left and total cost.

01 · Room and package values

Room and package values

Use the package label when its coverage differs from the ready example.

03 · Every number explained

Every number explained

The table separates measured quantity, reserve and package rounding so the final shopping number is easy to verify.

What to buyOnly whole packages or pieces are counted.۸ rolls
Measured amountAfter subtracting doors, windows or doorways where relevant.۳۳٫۸ m²
Material reserve۱۰% · editable reserve+۳٫۳۸ m²
Material requiredCalculate net wall area, reserve, rolls to buy, material left and total cost.۳۷٫۱۸ m²
Material purchasedPackage rounding can create a useful leftover.۴۲٫۴ m²
Material left after the jobKeep it for cutting errors or future repairs.۵٫۲۲ m²
Estimated material cost۸ × ‎$۲۵٫۰۰‎$۲۰۰٫۰۰