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.8 rolls
Measured amountAfter subtracting doors, windows or doorways where relevant.33.8 m²
Material reserve10% · editable reserve+3.38 m²
Material requiredCalculate net wall area, reserve, rolls to buy, material left and total cost.37.18 m²
Material purchasedPackage rounding can create a useful leftover.42.4 m²
Material left after the jobKeep it for cutting errors or future repairs.5.22 m²
Estimated material cost8 × US$25.00US$200.00
04 · 이 페이지를 읽는 방법
유용한 예시는 준비된
Calculate net wall area, reserve, rolls to buy, material left and total cost.
33.8 m² × (1 + 10%) → 8 rollsⓘ Package coverage and manufacturer yield remain editable, so the shopping total can be checked against the label.계산 버튼을 눌러야 하나요?
아니요. 입력이 변경되면 모든 결과가 즉시 업데이트됩니다.
입력한 값이 제출되나요?
아니요. 계산은 브라우저에서 실행되며 개인 계정이 필요하지 않습니다.