How to use this tool
Enter your values, run the tool, then review the result cards. Most tools update automatically when inputs change, so you can test several scenarios quickly.
Example inputs
- Roof area sq ft: 1600
- Waste %: 10
Results this page provides
- Roofing squares
How it works
One roofing square equals 100 square feet.
Best use cases
Estimate rough shingle quantity.
Limitations
Pitch, valleys, waste, and local roofing practice matter.