Home and DIY tools
How much paint, tile, concrete or wood to buy, worked out before you go to the store. 10 free tools, with no sign-up. Nothing you enter leaves your device.
Paint, walls and floors 4
- Paint calculatorWork out how much paint a room needs from its size, doors, windows and coats, and which tins to buy, in litres or US gallons. #T867
- Tile calculatorCount the tiles and boxes for a floor or wall, with waste for cuts and a grout estimate, or the boxes of laminate, vinyl or wood flooring. #T868
- Wallpaper calculatorWork out how many rolls of wallpaper a room needs from the wall widths, height, roll size and pattern repeat, counted strip by strip. #T869
- Drywall calculatorCount the drywall or plasterboard sheets for a room's walls and ceiling, with waste, plus rough amounts of screws, joint tape and compound. #T870
Concrete, decks and stairs 4
- Concrete calculatorWork out how much concrete a slab, footing, post holes or steps need in m³, yd³ and ft³, add a waste allowance and count bags of premix. #T871
- Deck calculatorCount the deck boards, joists and screws or hidden clips for a deck from its size, board width, gap, the board lengths you can buy and joist spacing. #T872
- Stair calculatorWork out the number of risers and treads, riser height, total run, stringer length and angle for a straight stair, and check them against editable code limits. #T873
- Roof calculatorConvert roof pitch between x:12, degrees and percent, then work out roof area from the footprint and overhang, roofing squares and shingle bundles with waste. #T874
Yard and landscaping 1
Heating and cooling 1
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