Paint needed
Litres from wall area, coats and the tin’s m² per litre.
Open a calculatorWallpaper
Area = perimeter × height × (1 + waste%). Rolls = ceil(area ÷ (roll width × roll length)). A patterned paper wants more waste than a plain one. Windows are still in the perimeter unless you shrink it.
m
m
m
m
%
Rolls to buy
11
Area with waste
53.5 m²
Rolls to buy: 11
Match the batch number. The paint page is litres; flooring is packs.
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An educational estimate. Not medical, tax or credit advice.