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Construction calculators for contractors and trades

For contractors, trades and landscapers pricing a job. Estimate materials for concrete, gravel, paint, roofing, flooring and more, then add labor and markup to get a bid or a price per square foot.

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More contractors & trades tools, A–Z

Asphalt CalculatorHow many tons of asphalt a driveway or lot needs, what it costs, and the price to quote with labor and markup.Bathroom Remodel Cost CalculatorEstimate what a bathroom remodel costs, line by line: tile by area, the vanity, toilet, tub or shower and fixtures, demolition, a permit and a contingency, then labor and markup, with the cost per square foot.Board Foot CalculatorBoard feet for any stack of lumber, the cost at your price per board foot, and a project price once you add shop time and markup.Brick CalculatorCount the bricks and mortar bags for a wall, then add labor and markup to get a price you can quote.BTU CalculatorRule-of-thumb BTU and tons of air conditioning or heating for a room, based on its size, ceiling, insulation, sun and occupants.Cabinet Refacing Cost CalculatorPrice a cabinet refacing job: new doors and drawer fronts at your unit prices, veneer for the cabinet boxes by the linear foot, hinges and pulls, other materials, labor and markup. Then compare the quote with new cabinets.Concrete Block CalculatorCount the concrete blocks and mortar bags for a wall, then add labor and markup to get the price to quote.Contractor Bid CalculatorBuild a job bid from materials, labor, labor burden, overhead and profit, and see what each dollar of the price is paying for.Contractor Invoice TemplateA contractor invoice already laid out with labor, materials, a change order, the deposit received and a lien waiver note. Edit it and download a PDF.Cubic Yard CalculatorConvert length, width and depth in feet or inches into cubic yards, tons and truckloads, then price the job with hauling and markup.Deck CalculatorCount deck boards and joists for a rectangular deck, add up the materials, and get the price to quote with labor and markup.Drywall CalculatorCount the drywall sheets, mud and tape for a room, then work out the install cost: a price to quote with labor and markup, and what that comes to per square foot.Electrical Load CalculatorAdd up the watts on a circuit or small panel to get total amps and check them against the breaker with the 80% rule for continuous loads. This is an estimate only: verify against NEC Article 220 and local code, and have a licensed electrician confirm.Estimate GeneratorMake a free PDF estimate or quote with a valid-until date and a deposit, then turn it into an invoice.Fence CalculatorCount the posts, rails and pickets for a wood fence, add up the materials, and get the price to quote with labor and markup.
Fertilizer CalculatorTurn a nitrogen rate and the N-P-K numbers on the bag into pounds of fertilizer, bags and cost for any lawn area, with optional labor and markup.Flooring CalculatorHow many boxes of laminate, vinyl or hardwood a room needs, what it costs, and the installed price to quote with labor and markup.General Liability Insurance Cost Calculator for ContractorsPut your contractor general liability quotes side by side: the premium per month, per job and per $1,000 of revenue, cost per $100,000 of coverage, and what a year with a claim would cost under each.Granite Countertop Cost CalculatorWork out countertop square footage from the counter runs, island and backsplash, then the cost of granite (or quartz or marble) at your price per square foot, with edge upgrades, sink and other cutouts, tear-out and installation.Grass Seed CalculatorPounds and bags of grass seed for a new lawn or overseeding at typical seeding rates, with a job price including labor and markup.Kitchen Remodel Cost CalculatorEstimate what a kitchen remodel costs, line by line: cabinets by the linear foot, countertops, backsplash and flooring by area, appliances and fixtures, demolition, a permit and a contingency, then labor and markup, with the cost per square foot.Landscape Stone CalculatorTons of river rock or landscape stone for a bed, and a job price with labor and markup.Man-Hours CalculatorTotal man-hours, days on site and labor cost from crew size and schedule, or from job size and a production rate.Paver CalculatorCount pavers, gravel base and bedding sand for a patio or walkway, then add labor and markup to price the install.Plywood & Sheathing CalculatorWork out how many sheets of plywood or OSB you need to sheathe a floor, wall or roof, allowing for roof pitch, openings and waste, and what they'll cost.Rebar CalculatorLay out a rebar grid for a slab: bars each way, linear feet with lap splices, stock bars to order, weight and cost.Roof Pitch CalculatorFind a roof's pitch in x/12, its angle in degrees and the multiplier that turns a footprint into real roof area.Roofing CalculatorTurn a roof footprint and pitch into squares and shingle bundles, then price a roof replacement with labor, tear-off of the old layers and markup, and see the price per square.Roofing Estimate TemplateA roof estimate broken into tear-off, underlayment, shingles by the square, flashing and disposal. Add your prices and download a PDF.
Sand CalculatorBags, tons or cubic yards of sand for paver bedding, fill or a sandbox, and a job price with labor and markup.Siding CalculatorSquares and boxes of siding for a house, the material cost, and the installed price to quote with labor and markup.Sod CalculatorSquare feet, slabs and pallets of sod for a lawn, plus delivery, labor and markup to price the installation.Stair & Stringer CalculatorWork out stairs from the total rise: how many steps, the riser height, tread count, total run, stringer length and angle, with a check against the IRC riser and tread limits and a materials estimate.Thinset CalculatorWork out how many bags of thinset (tile mortar) to buy from the area, the tile size and the trowel notch. Coverage per bag comes from the manufacturer's data sheet, and you can enter your own mortar's figure instead.Tile CalculatorTiles and boxes to buy for a floor, wall or shower, what the tile costs, and the installed price to quote with labor and markup.Topsoil CalculatorCubic yards, tons or bags of topsoil for a lawn, grade or raised bed, and a job price with labor and markup.Voltage Drop CalculatorEstimate the voltage lost along a copper or aluminum wire run and compare it with the common 3% guideline; a licensed electrician must verify the result.Window Replacement Cost CalculatorEstimate what it costs to replace windows: the windows, trim, flashing and sealant, disposal and permit, install labor per window and markup, with the price per window installed.Wire Size CalculatorEstimate the smallest copper or aluminum wire that keeps voltage drop under your limit and carries the load, from typical ampacities a licensed electrician must verify.