SAE International

GD&T Training

Geometric Dimensioning and Tolerancing

Gain a better understanding of what you know about geometric tolerancing and what you need to learn by taking a free GD&T skills assessment. Each assessment measures how well an individual understands the correct application and interpretation of GD&T. They’re designed to challenge your GD&T knowledge, so you can understand what level of GD&T training you need.

The assessments can be used by individuals or companies. If you're an individual who would like to test your GD&T knowledge, simply click the link and begin. Your results will be emailed to you within two business days.

For companies that would like to test a whole department, each employee can take the quiz on his/her own or you can contact SAE to set up a group testing. Training managers can receive anonymized group results.

Try One of Our Free GD&T Skills Assessments Today

Discover how well you understand GD&T topics based on the ASME Y14.5 1994 and 2009 Standards. Test your knowledge of GD&T fundamentals, tolerance stacks, and ISO geometrical tolerancing. Each free online assessment takes 25-35 minutes to complete.

The scoring for the assessments is in the form of a percentage and includes a list of which GD&T concepts have been mastered. Results are emailed to individuals or training managers within two business days. There is no cost involved and no purchase required.

Please note: Adobe Flash is required to take these assessments.
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GD&T Fundamentals - 1994

The 1994 GD&T Online Skills Assessment measures an individual's skill level in the application and interpretation of geometric dimensioning and tolerancing, based on ASME Y14.5M-1994.

Take GD&T 1994 Skills Assessment

GD&T Fundamentals - 2009

The 2009 assessment measures the skill level based on ASME Y14.5-2009. Both resources are designed to help users assess which GD&T topics they understand and what amount of GD&T training is needed.

Take GD&T 2009 Skills Assessment

ISO Geometrical Tolerancing

The ISO Geometrical Tolerancing Skills Assessment measures how well an individual understands the correct application and interpretation of ISO geometrical tolerancing. The assessment is designed to challenge your geometrical tolerancing knowledge so you can can identify ISO training needs.

Take ISO GD&T Skills Assessment

Tolerance Stacks

The Tolerance Stacks Skills Survey is a free resource that measures how well an individual can use tolerance stacks to determine part distances, or assembly conditions, like clearances, or part travel. The survey also helps measure how much the user knows about design analysis using geometric tolerances in stacks.

Take Tolerance Stacks Skills Assessment