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.

Roof pitch calculator

Turn rise-over-run into roof angle and the multiplier used for sloped surface area.

Convert measured roof area into squares, add waste, and see a rounded planning quantity.

Estimate whole bundles from roof area, waste allowance, and the product's packaging.

Need the actual roof measured?

Order a $19 human-reviewed roof measurement report. Typical turnaround is about one working hour for straightforward homes with usable imagery.