Advanced science.  Applied technology.


Geometric Dimensioning and Tolerancing (GD&T) Webinars

Jun 06, 2023 to Jun 08, 2023
Drawing with a bearing


GD&T is an international symbolic language used on mechanical engineering drawings to supplement and optimize traditional coordinate dimensioning and tolerancing. Learn the following:

  • What is it, who uses it, and why
  • Metric and Inch dimensioning and tolerancing conventions
  • Major Elements of GD&T
  • Key elements and major changes to the last three revisions to Y14.5 and ISO 1101
  • Aerospace and automotive specific standards, requirements, and exceptions to Y14.5
  • How to Interpret Feature Control Frames, Datums, and Basic Dimensions
  • Inspection and measurement options and strategies for of each of the 14 GD&T Symbols
  • Advantages and Disadvantages of GD&T for Design, Manufacturing, and Inspection
  • Customized application and interpretation exercises based on Participant Drawings*

This program is appropriate for all management, design, manufacturing, quality, inspection, purchasing personnel to understand the benefits and proper application and interpretation of GD&T.

Registration includes:

  • PDF participant materials emailed to each participant prior to the webinar
  • Pre/post assessment
  • Various references, GD&T inspection calculators, and other tolerancing tools
  • Certificate of Completion
  • Customized exercises based on participant drawings, views, or examples
  • On-going email and telephone support from ITR available.


For more information, contact Sandra Hawkins.

Upcoming Classes

Geometric Dimensioning and Tolerancing (GD&T) Introduction Live Interactive Webinar

June 6-8, 2023

Course Hours Slot 1: 7am to 11am Central or Slot 2: 12pm to 4pm Central
Faculty Office Hours: 30 minutes before and after each session

Online (at your computer)

Early-Bird Registration (before COB May17): $595 per participant
Late Registration (May 18 to COB June 2): $695 per participant

Space is limited; register promptly. Registration ends once availability is full

Geometric Dimensioning and Tolerancing (GD&T) Introducción Webinar en Español

June 21-23, 2023/21-23 de junio, 2023

Course Hours 10:00 a.m. – 2:30 p.m. Central/10:00 a 14:30 Central

Online (at your computer)/En su computadora

Early-Bird Registration (before COB June 2): $595 per participant/Hasta 2 junio: $595 USD por participante
Late Registration (June 3 to COB June 16): $695 per participant/Entre 3 junio a 16 junio: $695 USD por participante