Free tools for contractors
Calculators, estimators and generators for trade businesses. No email, no sign-up, and the math is always shown. When a number is a job, save it as an estimate in Koira.
Price a job
What a job costs, from the inputs a customer or a contractor actually knows.
Price a jobTree removal cost calculatorRemoval, trimming and stump grinding, priced by height and hazard.Price a jobJunk removal cost calculatorTruck-load pricing plus mattresses, appliances, hot tubs and pianos.Price a jobPressure washing cost calculatorSiding, concrete, deck, fence, roof and gutters on one estimate.Price a jobFence cost calculatorPrice per foot by material, with gates, height, tear-out and permit.Price a jobBasement waterproofing cost calculatorInterior drains, sump pumps, exterior membrane, cracks and coatings.Price a jobLawn care cost calculatorMowing by lot size, the season's services and mulch by the cubic yard.Price a jobWindow cleaning cost calculatorPer window or per pane, home or commercial, with screens and upper floors.Price a jobRoof replacement cost calculatorRoof area from footprint and pitch, a price range, and the shingle take-off.Price a jobPlumbing cost estimatorCommon plumbing jobs priced two ways: the homeowner range and your bid.Price a jobPainting cost calculatorInterior or exterior painting price, plus the gallons of paint to buy.Price a jobGutter installation cost calculatorGutters by the foot, with downspouts, guards, removal and height.Price a jobDriveway cost calculatorConcrete, asphalt or pavers by the sq ft, with the yards of concrete to order.Price a jobHouse cleaning cost calculatorHome or office cleaning by the sq ft, per visit and per month.
Run the business
Margin, markup, labor rate and the numbers behind a business that pays you.
Run the businessProfit margin calculatorMargin on a job, the price for a target margin, or the whole year.Run the businessMarkup calculatorMarkup and margin both ways, plus a sliding-scale parts markup table.Run the businessLabor rate calculatorThe rate per billable hour that covers wages, burden, unbilled time, overhead and profit.Run the businessHVAC labor rate calculatorHVAC rate per billable hour, starting from the BLS median tech wage.Run the businessPlumbing labor rate calculatorA plumber's rate per billable hour, starting from the BLS median wage.Run the businessElectrician labor rate calculatorAn electrician's rate per billable hour, starting from the BLS median wage.Run the businessService business valuation calculatorSDE, EBITDA and a value range from published sale multiples.Run the businessHVAC business valuation calculatorWhat an HVAC company might sell for, from SDE, EBITDA and published multiples.Run the businessBreak-even calculatorJobs and sales a month to cover overhead, and to pay yourself.Run the businessMaintenance plan pricing calculatorPrice a maintenance plan, see members per tech, plus an agreement checklist.
Trade math
Sizing and load math for HVAC, plumbing and electrical, with every step shown.
Trade mathHVAC load calculatorCooling and heating load, part by part, with the tons and furnace range.Trade mathDuct size calculatorRound and rectangular duct sizes from CFM, with friction and velocity.Trade mathCFM calculatorCFM from ACH, ACH from CFM, CFM per ton, bath fans and range hoods.Trade mathRefrigeration BTU calculatorWalk-in cooler and freezer box load: panels, door, product, people, fans.Trade mathSEER savings calculatorOld AC vs new: yearly savings and payback, in SEER or SEER2.Trade mathBTU heating calculatorFurnace and boiler size from heat loss or last winter's fuel use.Trade mathPipe volume calculatorGallons in copper, PEX or PVC by real inside diameter, plus GPM.Trade mathVoltage drop calculatorVoltage drop and wire size for copper or aluminum, single or three phase.Trade mathSatellite measuring toolRoof area and pitch, lot and lawn size, or draw any area or fence line on the map.Trade mathRoof measurement toolRoof area, pitch, planes, squares and bundles from the address.Trade mathLawn square footage calculatorLot size by address, or draw the turf for exact square feet and acres.Trade mathFence linear feet calculatorTap along a fence, gutter or bed edge on the map for the total in feet.Trade mathFree Hover alternativeWhat Hover, EagleView and QuoteIQ charge for measuring, next to this free tool.
Get found
Get found, get reviewed and get the word out.
Get foundBusiness name generator36 name ideas for your trade and town, with domain ideas.Get foundCleaning business name generatorName ideas for a house cleaning or janitorial company.Get foundLandscaping business name generatorName ideas for a landscaping or lawn care company.Get foundPressure washing business name generatorName ideas for a pressure washing or soft wash business.Get foundHandyman business name generatorName ideas for a handyman or home repair business.Get foundRoofing company name generatorName ideas for a roofing company.Get foundHVAC company name generatorName ideas for an HVAC or heating and air company.Get foundPlumbing company name generatorName ideas for a plumbing company.Get foundInvoice generatorA clean, printable invoice in a few minutes. Save as PDF.Get foundEstimate generatorA printable estimate with a deposit and a signature line.Get foundGoogle review link generatorYour direct Google review link, a QR code and request texts.Get foundHome services SEO checkerA free local SEO report for your trade business.Get foundSEO checker for plumbersA free local SEO report for plumbing companies.