Home & Construction Calculators
Estimate paint, concrete (yards or bags), flooring, tile, drywall, roofing, siding, fence, deck, pavers, mulch, gravel, fill dirt, topsoil, and sand before you buy. US defaults, optional metric, instant results, no account.
Building
Concrete Calculator
Calculate cubic yards of concrete for slabs, footings, columns, walls, and circular pads. Includes cubic feet, cubic meters, bags, waste, and optional cost.
Open calculator →Concrete Bag Calculator
Count 40, 60, or 80 lb concrete mix bags from slab length, width, and thickness. Primary result is bags to buy, with cubic yards if a truck is cheaper.
Open calculator →Drywall Calculator
Estimate drywall sheets from room length, width, and height. Subtract doors and windows, add a ceiling, and choose 4×8, 4×10, or 4×12 ft sheets.
Open calculator →Roofing Calculator
Calculate roof area, roofing squares, and shingle bundles from length, width, pitch, number of sections, and waste. 1 roofing square = 100 sq ft.
Open calculator →Siding Calculator
Estimate vinyl or fiber-cement siding square footage and squares from wall length, height, number of walls, doors, windows, and waste.
Open calculator →Renovation
Paint Calculator
Calculate how much paint you need from wall size, doors, windows, and coats. Get paintable area, gallons, liters, and how many cans to buy.
Open calculator →Flooring Calculator
Add up to four rooms, then calculate flooring square footage, extra material for waste, boxes if you know coverage per box, and optional cost.
Open calculator →Tile Calculator
Calculate how many tiles you need from room size, tile width and height, grout spacing, and waste. Optional tiles per box and material cost.
Open calculator →Wallpaper Calculator
Estimate wallpaper rolls from wall length, height, number of walls, roll width and length, and pattern repeat. Includes openings and a waste allowance.
Open calculator →Outdoor
Fence Calculator
Calculate fence panels, posts, sections, and rails from total length, panel width, post spacing, and gates. Optional estimated panel cost.
Open calculator →Deck Material Calculator
Estimate decking boards, joists, posts, concrete, screws, and cost from deck length and width. Free deck material calculator for DIY builds.
Open calculator →Paver Calculator
Calculate patio or driveway pavers from surface size, paver dimensions, joint spacing, and waste. Optional pieces per pallet or box and material cost.
Open calculator →Landscaping
Mulch Calculator
Calculate mulch bags or cubic yards from bed size and depth, then compare bag price vs bulk delivery.
Open calculator →Gravel Calculator
Estimate gravel cubic yards and tons from length, width, depth, and rock type. Optional cost per ton for driveways, pads, and paths.
Open calculator →Dirt Calculator
Estimate fill dirt cubic yards, cubic meters, and tons from length, width, and depth. Choose dry, compacted, wet, or clay fill — not gravel or topsoil.
Open calculator →Topsoil Calculator
Calculate topsoil cubic feet, cubic yards, cubic meters, and approximate tons from bed or lawn length, width, and depth.
Open calculator →Sand Calculator
Estimate sand volume, cubic yards, weight, and tons from length, width, depth, and sand type (play, concrete, masonry, or fill).
Open calculator →