Order the right amount the first time
Material calculators for patios, beds, walls and roofs. Each one shows its formula, the assumptions behind it, and a worked example, so you can check the number before you buy.
Concrete CalculatorSlabs, footings and columns in cubic yards and bags.Concrete Block CalculatorHow many 8×8×16 blocks a wall takes.Mulch CalculatorCubic yards or bags for any bed and depth.Gravel CalculatorCubic yards and tons of gravel, stone or sand.Topsoil CalculatorSoil for lawns, raised beds and fill.Paver CalculatorPavers, base gravel and bedding sand for a patio.Drywall CalculatorSheets and screws for walls and ceiling.Roofing CalculatorRoof area, squares and shingle bundles from pitch.Stair CalculatorRisers, treads and stringer length to code.Board Foot CalculatorBoard feet and cost of lumber.Square Footage CalculatorArea of rectangles, circles and triangles.