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)
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