Free tools for contractors and service businesses.
Generators, calculators, and templates we built for our customers — and made free for everyone. No signup required.
Documents
Invoice Generator
Create and download a branded PDF invoice in minutes. No signup.
OpenEstimate Generator
Build a professional estimate or quote. Download as PDF.
OpenService Contract Template
Trade-specific contract templates. Customize and download.
OpenCalculators
Hourly Rate Calculator
Find your minimum hourly rate from salary, hours, overhead, margin.
OpenJob Pricing Calculator
Quote any job: labor + materials + overhead + margin.
OpenPaint Calculator
How many gallons of paint for any wall area.
OpenMulch Calculator
Cubic yards of mulch for any bed area and depth.
OpenConcrete Calculator
Cubic yards of concrete for any slab dimensions.
OpenLawn Area Calculator
Square feet, acres, mow time for any lawn.
OpenCarpet Area Calculator
Multi-room carpet area and instant quote at your sq ft rate.
OpenRoofing Square Calculator
Squares of shingles and bundles to order for any roof.
OpenHVAC BTU Calculator
Right-size cooling and heating for any room or whole home.
OpenTile Calculator
Tiles and boxes needed for any area and tile size.
OpenDrywall Calculator
Sheets, mud, tape, and screws for any room.
OpenGravel Calculator
Cubic yards, tons, and bags of gravel or aggregate.
OpenPool Volume Calculator
Pool gallons by shape, plus chemistry dosing.
OpenJunk Removal Calculator
Cubic yards of junk, percent of truck, and quote.
OpenFence Calculator
Posts, rails, pickets, and concrete for any fence run.
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