5 Best + Free GD&T Courses [2021 SEPTEMBER][UPDATED]

Best GD&T course tutorial class certification training online

55+ Experts have compiled this list of Best Five GD&T Courses, Classes, Tutorials, Training and Certifications program available online for 2021. In this list, you will find paid and free resources that will help you learn more about GD&T. Check out our compilation of Best Technical Drawing Courses.


5 Best + Free GD&T Courses & Classes [2021 SEPTEMBER]

1. Geometric Dimensioning and Tolerancing (GD&T): Basics (Udemy)

This course covers the essential concepts of GD&T, starting with basic concepts of engineering drawing, all the way to complex concepts. It explains the importance of an engineering drawing, how the GD&T concepts are built, and how they are applied to drawings. After completing the lessons, you will start appreciating the language over the traditional way of dimensioning.  The topics covered in the course include Dimensioning, Tolerance, Types of fits and selection, Engineering drawing template, Feature, Need for GD&T, Introductory concepts of GD&T, Datum’s, Tolerance and virtual condition, Form control, Orientation control, Runout, Profile, and Datum shift.


Key USPs-

– This course is suitable for mechanical and manufacturing engineers.

– There are tons of practice exercises and quizzes to help you with your learning.

– The course material includes video lectures, articles, and downloadable resource.

– You can go through this GD&T course using a laptop, mobile phone or a TV.

– Udemy’s Geometric Dimensioning and Tolerancing course comes with a Certificate of completion.


Duration: 4.5 hours

Rating: 4.2 out of 5

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Review: The classes were great and beyond my expectations. I had a little previous knowledge about GD&T, but now I got to learn more in deep about Engineering Drawing, Different tolerances, etc. Thank you for all the information and practice exercises you provided. -Rompally Rahul.



2. Geometric Dimensioning & Tolerancing: Advanced concepts (Udemy)

This course gives you a deeper dive into GD&T. It teaches you how to interpret and apply advanced concepts of GD&T on patterns, slots, and irregular parts. The topics discussed in the course include Basis of Profile, Position Tolerance, Advanced concepts of profile tolerance, Patterns, Inclined Datum, Auxiliary datum, Refinement of the profile, Position controls, Simultaneous requirements, Composition position control, Composite Profile control, Slot control, Multiple Datum, Zero position tolerance, Datum targets, and Projected tolerance zone. Don’t forget to check our curation of Best Architecture Courses.


Key USPs-

– This course will teach you advanced concepts of GD&T.

– The course material includes video lectures, articles, and other downloadable resources.

– Udemy’s GD&T courses can be accessed using a computer, mobile phone or TV.

– This GD&T course comes with a Certificate of Completion.


Duration: 3.5 hours

Rating: 4.2 out of 5

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Review: Amazing value! The examples are great for demonstrating the different ways to use GD&T. I am definitely ready to take the official GD&T certification class now.  -Chase Traficanti.


3. GD&T Training (GD&T Basics)

This training program makes understanding Geometric Dimensioning and Tolerancing easy. The courses discuss how real-world decisions on engineering prints are made. If you want to take up individual courses, you can choose from Engineering Drawing Basics, GD&T Fundamentals, and GD&T Advanced Training courses. The bundle courses include Drawing Basics, GD&T Professional, and Engineering Expert.


Key USPs-

– The course material can be accessed using a computer or a mobile phone.

– You get to learn from an expert and gain industry knowledge that can be applied immediately in your workplace.

– You get to interact with instructors and your peers on the virtual platform and learn from them.

– The course material includes video lectures, a premium wall chart, graded quizzes, and printable handouts.

– This training program comes with a completion certificate.

– You can opt to pursue individual courses or opt for bundle courses.


Duration: Variable

Rating: 4.4 out of 5

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Review: The GD&T Basics Course is very helpful. The instructors are extremely responsive, with everything I asked answered less than a day later. This course has been extremely helpful for learning GD&T and a great resource!” -Garret A.



4. GD&T Fundamentals (SAE International)

This course explains the terms, symbols, modifiers, rules, and basic concepts of geometric tolerancing. The lessons discuss what engineering drawings are, the significance of geometric tolerance, standards used in GD&T, concepts like, worst-case boundary, virtual condition, bonus tolerance, various types of tolerances, datum system, applications of datum targets,  and tolerance of position special applications. Have a look at our Best Civil Engineering Courses.


Key USPs-

– After completing the coursework, you will receive IACET CEUs and an SAE certificate.

– The lectures are accompanied by full-color animations to help students visualize concepts.

– Fundamental courses come with audio narration and 3D solid part examples.

– You can connect with the instructors to get your doubts cleared.



Rating: 4.4 out of 5

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5. GD&T Training (Applied Geometrics Inc)

Applied Geometrics provides online training in GD&T.  These courses cover the Fundamentals and Advanced concepts of GD&T. The topics covered in the classes are GD&T concepts, languages standard symbols, Datum reference frames, material condition modifiers, Datum feature selection and specification, and functional tolerances.


Key USPs-

– The courses are delivered by Mark Foster, a GD&T expert for over 30 years.

– After each chapter of the course, there is a quiz to track your learning.

– You can connect with instructors via e-mail or phone if you have any questions.

– After scoring at least 80% in all quizzes, you will receive a certificate of completion.


Duration: One year

Rating: 4.5 out of 5

You Can Sign up Here


So these were the 5 Best GD&T Courses, Classes, Tutorials, Training and Certifications program available online. We hope that you found a course that will help you meet your learning goals. We wish you Happy Learning!