Free tools for contractors and homeowners
Concrete, square footage, roofing, drywall, tile and more: calculators that answer on the first screen, plus pricing and paperwork for home-service businesses. Free, no sign-up, everything stays in your browser.
- Concrete calculatorConcrete Concrete calculator: how many cubic yards or bags? Concrete calculator for slabs, footings and tubes: cubic yards from your sizes, then whole bags or a ready-mix order.
- Square Footage CalculatorArea Square footage calculator: how many square feet do I have? A square footage calculator for rooms, L-shapes, circles and triangles in feet and inches.
- Gravel, Mulch and Sod CalculatorMaterials Gravel, mulch and sod calculator: how much do I need? Gravel calculator for cubic yards and US tons, with mulch and sod in the same cubic yard calculator.
- Paint calculatorPaint Paint calculator: how much paint do I need? Paint calculator for walls and ceilings in feet and inches: your label's coverage in, gallons and quarts out.
- Stair CalculatorStairs Stair calculator: how many steps do I need, and how tall? Stair calculator: type your floor-to-floor height and get risers, treads, run, stringer diagonal and marks.
- Roofing CalculatorRoofing Roofing calculator: how big is my roof? A roofing calculator and roof pitch calculator in one. Get roof area, squares, shingle bundles and underlayment rolls.
- Drywall calculatorDrywall Drywall calculator: what do I need to buy? Drywall calculator for walls and ceilings: sheets with doors and windows taken out, joint compound, tape and screws.
- Deck and Fence CalculatorDecking Deck and fence calculator: what do I need? A deck and fence calculator for boards, joists, screws, posts, pickets and concrete bags.
- Tile CalculatorTile Tile calculator: how much tile do I need? A tile calculator for floors, showers and backsplashes that counts the grout line and rounds up to whole boxes.
- Pool Salt CalculatorPool care Pool Salt Calculator: Pounds and Bags of Salt A pool salt calculator that starts from the target in your own salt system's manual.
- Wallpaper CalculatorWallpaper Wallpaper calculator: how many rolls to buy? A wallpaper calculator that counts strips from your walls, openings and the label's repeat and match.
- Pressure Washer Nozzle ChartCleaning Pressure Washer Nozzle Chart: Colors, Angles, Sizes A pressure washer nozzle chart with every tip color and angle, and the nozzle size chart for your washer's PSI and GPM.
- Markup vs. Margin CalculatorPricing What do I actually keep on this job? Price a job with a markup per cost line and see net profit after overhead, discounts and card fees.
- Change Order GeneratorPaperwork What does this change do to my contract? A free construction change order template that nets added, removed and changed lines.
- Contractor Quote and Estimate BuilderQuotes Describe the job. Get a printable estimate. Describe the job in plain words, get itemized lines with units and quantities, add prices, print.
- Negative Review Reply GeneratorReviews A one-star review just landed. What do I say? Paste a one-star review, tick what you can prove, get three replies to work from.