Get the Free Position Conversion Chart
Those who are new to GD&T are typically used to dealing with an X, Y coordinate system for locations of features. This chart shows you how to convert X, Y coordinate measurements into a reportable position tolerance (based on a diameter). If you are measuring a position tolerance with calipers, or other simple equipment, this chart will quickly tell you the reportable position tolerance for your feature.
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The GD&T Position symbol allows 57% more tolerance than coordinate dimensioning.
Geometric Dimensioning and Tolerancing allows functional requirements of a design to be met without adding unnecessary tight restrictions, as seen with coordinate dimensioning. Watch this lesson from our GD&T Fundamentals course to learn more about how this is achieved using the GD&T Position symbol.
Our Position Conversion chart, referenced in this video, can be downloaded for free, above.

