Roof Pitch Diagram Chart Find Roof Pitches & Angles in Degrees

Below is a roof pitch chart you can use as a quick reference to calculate roof pitch angles in degrees based on the roof rise and run.  For a 2/12 roof, the first number (2) is the rise in inches.  The second number (12) is the run, also in inches.  It means that for every 12 inches, the vertical rise of the roof is 2 inches.  The chart below shows the roof pitch rise and run conversion to the angle in degrees.

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