Roofing Calculator

Estimate roof area and shingle squares.

How to use Roofing Calculator

Enter the values requested by the calculator.
Review the result, formula and detailed breakdown.
Adjust inputs or copy, print and share the result.

Processing and privacy

The supported processing runs locally in your browser.

This tool has a real browser-side processing path and passed representative verification.

Common questions

Is Roofing Calculator available now?

Available now and verified for normal production use.

Where does processing happen?

The supported processing runs locally in your browser.

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