Free construction calculators for contractors
Quick material and price estimates for common jobs. Free, no sign-up, and nothing you type is saved or sent.
- Paint calculatorInterior walls and ceilings: square feet, gallons, 5-gallon buckets and a rough price.
- Concrete calculatorSlabs, footings and round holes: cubic yards, 60 lb and 80 lb bags and a rough price.
- Roofing calculatorShingle roofs: squares, bundles, underlayment, ridge cap, drip edge and a rough price.
- Drywall calculatorWalls and ceilings: 4×8 or 4×12 sheets, joint compound, tape, screws and a rough price.
All results are estimates based on common rules of thumb. Check product labels and local requirements before you buy or quote.
Turn this into a quote in about 60 seconds with SpeakBid
Talk through the job in English or Spanish and SpeakBid fills in the line items, tax and total.
Coming soon to the App Store and Google Play. New subscribers get a 14-day free trial of Pro.
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