GDTP (Y14.5) - Geometric Dimensioning and Tolerancing Professional Certification


ASME's GDTP Personnel Certification Program offers Technologist and Senior level certifications. Please review the Applicant Information brochure for a complete overview of this program and to determine which level of certification is appropriate for you.

The exam is currently to the 1994 edition of the Y14.5 standard. The committee has been actively working on revisions to the exam to align with the 2009 edition. Details on the transition will be posted as they become available.


ASME is announcing ASME-PC Connect, an on-line personnel certification application and credentialing management system. ASME will be contacting all previous and current certificate holders via email announcing this new system. Some client’s email addresses have changed, are not functioning or have opted out of receiving emails. If you need to update your ASME email address associated with your account, please contact ASME’s Customer Care at 1.800.843.2763 (outside US +1.646.616.3100) or email at and provide the requested information to update your email address. Email will be the primary source of communication for this new system, effective July 1, 2016.


GDTP certification process:

ASME had suspended personnel certification processing in preparation of launching ASME-PC Connect, our new online certification management system. If you would like to apply for a certification, please check back on July 11, 2016


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