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Can You Calculate Roof Dimensions From the Pitch?

June 27, 2026 • Builder Bob

You can stare at a roof for ten minutes and still miss what the numbers are saying. A roof may look low from the…

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June 27, 2026 • Builder Bob

A roof can fool your eyes. From the yard, one side may look almost flat. Climb a ladder, and that same surface can feel…

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4/12 Pitch18.43° / 33.3% slope

6/12 Pitch26.57° / 50.0% slope

8/12 Pitch33.69° / 66.7% slope

12/12 Pitch45.00° / 100.0% slope

Try typing the angle, like “30 degree roof pitch,” into the search bar to open a matching calculator instantly.

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Measure roof slope faster

A compact pitch measuring tool for checking rafter angles, rise/run, and slope values on job sites.

Shed Roof Pitch Calculator 4 12 Roof Pitch Calculator 6 12 Roof Pitch Calculator Angle To Roof Pitch Calculator Metric Roof Pitch Calculator Degrees To Roof Pitch Calculator Rafter Roof Pitch Calculator Lean To Roof Pitch Calculator