Jobmath

Tools for contractors

Free, no signup, and everything you enter stays on your phone.

Job-site weather

Material prices

All materials

Price the job

Markup and marginEnter any two of cost, price, markup and margin. Get the rest.Labor rateWhat one crew hour really costs you, and the rate to bill for it.Overhead and break-evenThe markup your yearly overhead and profit goal require.Material price trendsMonthly US price changes for lumber, steel, concrete and more.

Measure and estimate

Feet and inchesAdd and subtract feet, inches and fractions. Metric too.Unit converterLength, area, volume, weight, temperature, pressure and slope.ConcreteCubic yards and bags for slabs, footings and round columns.DrywallSheets for a room's walls and ceiling, openings removed.PaintGallons for walls and ceilings, by coats and coverage.TileTiles and boxes for a floor or wall, with waste.FlooringBoxes of plank, laminate or vinyl, with waste.Gravel and mulchCubic yards, tons and bags for an area and depth.RoofingSquares and bundles from the footprint and pitch.Deck boardsBoards and joists for a rectangular deck.

Bill the client

Job quoteCosts, markup, profit and margin. Download the estimate.InvoiceYour logo, deposit, tax and balance due, as a PDF.Change orderPrice added or removed work and the new contract total.Progress billingSplit a contract into deposit and progress invoices.

Crew, road and site

Crew overtimeWeekly hours and overtime pay per worker, federal or California.Mileage logTrips, miles and the IRS deduction, as CSV or PDF.Job-site weatherHourly forecast by ZIP, checked against work limits.