Home & Construction
Roof Pitch Calculator
Calculate roof pitch and angle
Created and maintained by: CalcTago Editorial TeamLast updated: 2026-02-13
Formulas and edge cases are reviewed against authoritative references before publication. For methodology, editorial standards, or corrections, use the links below.
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Frequently asked questions
What does the Roof Pitch Calculator do?
It helps you calculate roof pitch and angle.
What inputs do I need?
Enter Rise and Run.
Are decimals supported?
Yes, you can use decimal values where appropriate.
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About this tool
This Roof Pitch Calculator turns your inputs into practical results. Provide Rise and Run to calculate Pitch and Angle.
Adjust values to compare scenarios and see how sensitive the result is. The calculation uses the numbers as entered, so double-check units and expect small differences from rounding in the displayed totals.