GD&T Tools and Resources

ETI knows the importance of the proper use of geometric dimensioning and tolerancing in the design stage, and we are proud to be the number one site for free geometric tolerancing resources.

Test your GD&T knowledge with our skills survey, try the GD&T calculator to see your company's potential savings using GD&T in the design stage, read our free newsletter with articles and tips about GD&T, and much much more.

All of the following resources are offered free from ETI:

GD&T Blog

GD&T Skills Survey

Tolerance Stacks Skills Survey

GD&T Potential Cost-Saving Calculator

ETImail: The Online GD&T Newsletter

The ETI Discussion Board

GD&T Technical (White) Papers

Tip of the Month

GD&T Glossary

ETI also offers Free Downloads of our GD&T training software

New - ISO Geometrical Tolerancing Glossary

GD&T Blog
The ETI blog announces new products and services, keeps you updated about our public training schedules, and lets you know about Alex’s speaking engagements and newly published articles.

blog

However, the heart of the blog is dedicated to GD&T.

We keep you up to date on the new standard and inform you about new developments in industry that involve quality issues. There is a Q/A portion where you can ask Alex his expert opinion and see comments that follow from other readers. Alex offers tolerancing insights culled from his years of experience working with GD&T on the job and teaching GD&T to thousands around the globe.

Alex also provides training and mentoring tips on how to keep companies up to speed on geometric tolerancing so they remain competitive in the global industrial marketplace. He gives tips for those who are learning the fundamentals, as well as those who are ready to tackle the system approach for component tolerancing.

Read the blog .

GD&T Skills Survey

The GD&T Online Skills Survey is the latest in a series of free resources available from ETI. The survey measures an individual's skill level in the application and interpretation of geometric dimensioning and tolerancing, based on Y14.5M-1994. It is designed to help users assess which GD&T topics they understand and what amount of GD&T training is needed.
Try the Free GD&T Skills Survey Today
The survey was developed by ETI's president, Alex Krulikowski, a GD&T expert with over 30 years of industry experience. The online 25-question survey takes minutes to complete. It can be used by individuals for personal assessment or by companies who would like to test whole departments.

Click here to try the
GD&T Skills Survey

The scoring 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.

Tolerance Stacks Skills Survey

The Tolerance Stacks Skills Survey is a free resource from ETI 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.
Try the Free GD&T Skills Survey Today
Developed by ETI's president, Alex Krulikowski, the online 6-question survey takes approximately 30 minutes to complete. It can be used by individuals for personal assessment or by companies who would like to test whole departments.

Click here to try the
Tolerance Stacks Skills Survey

GD&T Potential Cost-Saving Calculator

The GD&T Cost-Saving Calculator is the latest free resource from ETI. The calculator is a tool that helps companies understand the amount of unnecessary expenditures each year due to employees not knowing how to correctly apply and interpret GD&T.
A better understanding of GD&T can decrease costs associated with:

Creating, interpreting and revising drawings

Communicating or interpreting design requirements for suppliers and manufacturing

Manufacturing expenses

Click here to try the
GD&T Potential Savings Calculator

The calculator can be used at the company, division, department or project level. It analyzes your data and estimates the annual savings your organization will realize in each aspect of design, inspection, and production. Enter information for whatever scope of analysis you wish to perform.Tool tips provide assistance with understanding data entry.

Even if you estimate conservatively, you'll be amazed at the impact GD&T will have on an organization's ability to cut costs.

ETImail: The Online GD&T Newsletter
ETImail is a regular online publication devoted to Geometric Dimensioning & Tolerancing. Each edition features a host of GD&T resources and links, as well as dimensioning tips by noted GD&T author and ETI founder, Alex Krulikowski. We also invite you to visit our website, etinews.com.

Read ETImail.

To view past issues of ETImail, see the archives.

The ETI Discussion Board
ETI Discussion Forum: ETI provides a free interactive forum that's easy to access and may give you a broader knowledge of GD&T-related topics. Drop by the Discussion Board to talk about ETI's products, GD&T, tolerance analysis, and other GD&T-related topics. To visit the board, click here.

GD&T Technical (White) Papers
This section offers a selection of papers related to GD&T. They were written by Alex Krulikowski and published in various trade magazines. We have also included a response to one of Alex's papers.

"Learn the Language of GD&T" Quality / May 1997	"Ten Questions for Selecting A GD&T Training Source"
"The Seven Deadly Sins of GD&T"	"Minding Mechanical Specifications Pays Off in Production" OEM Mechanicals
"Standards Issues on Digital Drawings" A white paper	"Standards Issues on Digital Drawings" A second opinion by Lea Irwin
"GD&T Improves Inspection"

ETI's Tip of the Month
Since ETI began publishing ETImail, we have stopped featuring a "Tip of the Month." However, the tips related to using GD&T can still be accessed here.

GD&T Glossary (ASME Y14.5 1994 & 2009)
Because GD&T is such a precise language, it involves a great many topics and terms. Here is a complete list of topics that are involved in geometric dimensioning and tolerancing fundamentals, with a short definition of each. See the glossary.

ISO Geometrical Tolerancing Glossary (ISO 1101:2004 and its companion published standards)
As the globalization of manufacturing continues, the ISO standards will play a more significant role in the U.S. If your company is interested in global sourcing and learning how to read drawings created in other countries, ETI's ISO Geometrical Tolerancing workshop is vital to your success. See the glossary.

Return to top of page