Home & DIY
Practical calculators for your renovation projects: paint quantity, concrete volume, wallpaper rolls, flooring packs, tiles and heating/cooling power (BTU). Estimate your materials before you buy — clear, instant results with no sign-up.
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Tile calculator
Surface + tile size → number of tiles, boxes and cutting margin.
Home & DIY Open
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Paint calculator
Area + coats + coverage → liters of paint needed.
Home & DIY Open
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Concrete calculator
Length × width × thickness → concrete volume and bags.
Home & DIY Open
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Wallpaper calculator
Perimeter + height → number of wallpaper rolls.
Home & DIY Open
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Flooring calculator
Area + waste + pack → number of packs to buy.
Home & DIY Open
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BTU calculator (AC/heating)
Area + height → AC/heating power in BTU and kW.
Home & DIY Open