Free tools
Built by the team behind RoofBid.ai. Use them on the driveway, on the roof, or at the kitchen table.
Fill in squares, pitch, waste, and rates to build an itemized estimate you can print or save as a PDF.
Open tool →Footprint and pitch in, roof area and squares out — plus bundles, underlayment, starter, ridge cap, drip edge, and ice-and-water.
Open tool →Rise over run to pitch multiplier, slope angle, and true roof area, with the full 1/12–12/12 chart.
Open tool →