Material calculators

Work out how much material your project needs before you shop or ask for quotes. Every calculator shows all the units suppliers use, from cubic yards and tons to bags, and explains the formula with an example.

• Concrete calculatorCubic yards and bags for slabs, footings and post holes
• Square footage calculatorRooms and odd shapes in feet and inches
• Gravel calculatorTons, cubic yards and bags of stone or sand
• Mulch calculatorBags and cubic yards for beds and tree rings
• Board foot calculatorLumber by the piece and logs by Doyle, Scribner or International
• Stair calculatorRisers, treads and stringer length, checked against the code
• Pool volume calculatorGallons for rectangle, round, oval and kidney pools
• Roofing calculatorRoof area, squares and shingle bundles by pitch
• Paint calculatorGallons of paint for walls, ceilings and siding
• Topsoil calculatorCubic yards, tons and bags of soil
• Tile calculatorTiles, boxes, thinset and grout
• Deck calculatorBoards, joists, screws and footings

Looking for project prices instead? See our cost guides.