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Structural Support

Building Problem Solutions

Roof Slope: Drawing & Conversion Tables

by John F Mann, PE

Roof Slope Drawing.pdf (PDF — 325 KB)

Click on link at left to download drawing (below) showing basic terms for calculating roof slope.

Information about how to measure slope or "pitch" of a roof is provided in the following article;

Click on link at left to download tables (shown below) for roof slope conversion;

Convert Rise (per 12 inches of Run) to Slope Angle

Convert Slope Angle to Rise (per 12 inches of Run)