Roofing Calculator
Shingle estimate
Results
| Roof pitch angle | — |
|---|---|
| Roof area | — |
| Squares | — |
| Bundles | — |
How to use
- Enter the horizontal house base area with units.
- Select roof pitch (rise per 12 in run) and any eave overhang.
- Add waste for cuts, hips, and valleys; results include pitch angle, squares, and bundles.
Disclaimer. Informational only—not roofing or engineering advice. Complex roofs need field measurements; verify material specs with your supplier.