Free roofing tools
Fast answers for the numbers you use on every roof.
No signup. No spreadsheet. Enter the measurements you already have and get a clear planning result—with the formula and limits explained.
01
Roof pitch calculator
Turn rise-over-run into roof angle and the multiplier used for sloped surface area.
Rise ÷ 12Angle + multiplier
Open calculator02
Roofing square calculator
Convert measured roof area into squares, add waste, and see a rounded planning quantity.
Area + wasteRoofing squares
Open calculator03
Shingle calculator
Estimate whole bundles from roof area, waste allowance, and the product's packaging.
Area + packagingWhole bundles
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