Roof Pitch Calculator

Calculate roof pitch from rise and run measurements. Determines pitch ratio used for material and labor estimates.

Enter the rise (vertical) value for this calculation.
in
Enter the run (horizontal) value for this calculation.
in

Results

Pitch Ratio:
Calculated ratio between values.
-:12
Angle:
Calculated angle based on your inputs.
-degrees
Slope Percentage:
Value expressed as a rate (per unit).
-%
Slope Factor:
Calculated slope factor based on your inputs.
-
Reference: Industry Standards. Standard roofing pitch calculations per NRCA guidelines.