# Rise run slope

Calculate the Rise run slope with our free online tool using the input parameters: Rise, Angle

The roof pitch or slope refers to the angle at which the roof inclines from the horizontal plane. A roof can be either flat or pitched. The pitch is typically expressed as the vertical rise (in inches) for every foot of horizontal length along the gable. It is calculated by dividing the vertical rise of the roof by its horizontal span. The slope pitch calculator helps determine the roof pitch and run by inputting the rise and angle values. This tool is highly valuable for engineers involved in building construction.

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Run(inches) = \frac{Rise}{\tan(\angle)}

Roof Pitch = \frac{Rise}{\frac{Run}{12}}

Slope = \frac{Rise}{Run} \times 100