Roofing Calculator
Calculate roofing material quantities including shingles, underlayment, and ridge caps. Estimates for gable, hip, and shed roofs.
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What this calculator does
Roofing Calculator helps you quickly estimate calculate roofing material quantities including shingles, underlayment, and ridge caps. estimates for gable, hip, and shed roofs. with clean output and clear next steps.
How the calculation works
Enter Roof Base Length, Roof Base Width, Roof Pitch (rise/12) and this calculator uses standard formulas to determine Roofing Squares Needed and Shingle Bundles. The output is displayed immediately in a user-friendly format.
Example calculation
For example, enter realistic values into the Roofing Calculator to see how the calculator produces Roofing Squares Needed and Shingle Bundles that you can use for planning and comparison.
Disclaimer
The calculations provided by this website are for informational purposes only and should not be considered financial, legal, tax, or professional advice.
Frequently Asked Questions
What is a roofing square?
One roofing square = 100 square feet of roof surface. A typical bundle of shingles covers 33 sq ft, so 3 bundles = 1 roofing square.