Rise, Run, and Slope Roof Calculator

This roofing calculator is designed to calculate the Run, Rise and Slope of a roof. A roof without a rise or slope is a flat roof (also known as a pitched roof) though flat roofs typically still have a rise to allow the flow of rainwater away from the main building towards attached guttering.

Slope Pitch Calculator
Rise Run Slope Calculator Results
Roof Pitch / 12
Slope %
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