Roof Pitch Calculator
Calculate roof pitch with Calculator 360 using the available inputs.
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How to use this calculator
Convert roof rise and run, angle, and slope percentage with simple geometry. There is no separate US x:12 pitch field; enter the rise and horizontal run directly. This tool does not check a roof against structural or roofing requirements.
Enter your own values and units, then check the assumptions shown with the result.
Rise, run, angle, and percentage are related by trigonometry. No code threshold is assumed.
Frequently asked questions
What does this calculator estimate?
Convert roof rise and run, angle, and slope percentage with simple geometry. There is no separate US x:12 pitch field; enter the rise and horizontal run directly. This tool does not check a roof against structural or roofing requirements.
Which values does it use?
It uses the values entered in the form. No live rate, price, tax, or code requirement is retrieved.