About Roof Pitch and Angles

Roof pitch expresses the steepness of a roof as a ratio of vertical rise to horizontal run (usually per 12 inches).

Roof angle refers to the slope of a roof measured in degrees from the horizontal plane.

• A 12/12 pitch corresponds to 45°
• A 6/12 pitch corresponds to about 26.57°
• A 30° roof has a pitch of approximately 6.928/12

This converter allows quick bidirectional conversions between these units for construction, architectural planning, or educational use.