ToolPlug Logo ToolPlug

Roof Pitch, Angle & Rafter Length Calculator

Calculate roof pitch ratio (rise over 12" run), slope angle in degrees, pitch multiplier factor, rafter lengths, and total roof surface area.

Inputs used by this tool

Enter values in the interactive controls when the page loads. The result depends on the assumptions and units shown for each field.

Input type: number
Input type: number
Input type: number
Input type: number

Data handling varies by tool. Review its notes and the Privacy Policy before entering sensitive information.