International Legal Metrology

Credit: NIST

International Legal Metrology at OWM

The members International Legal Metrology Program (ILMP) within OWM serve as the primary representatives of the U.S. in international legal metrology organizations and other international fora related to weights and measures. The group also coordinates with the National Legal Metrology efforts within OWM to harmonize national and international legal metrology documentary standards and practices.

The International Organization of Legal Metrology

ILMP engages primarily with the International Organization of Legal Metrology (OIML), an intergovernmental treaty organization that develops voluntary standards with the goal of harmonizing approaches to legal metrology systems and regulation among Member States.

For information, please visit the OIML website.

ILMP participates in the technical work of OIML, contributing the perspectives of U.S. manufacturers, users of weighing and measuring instruments, legal metrology officials and other U.S. stakeholders in the development of OIML standards.

Who We Are

Staff members are physical scientists and engineers with experience working in metrology research laboratories, as weighing and measuring device type evaluators, and/or industry service specialists.

Active Projects

For a list of the projects this group is currently working on, please take a look at the list available here.

ILMP welcomes U.S. stakeholders to participate in national working groups on active projects. Contact the ILMP representative to get involved.

International Standards Activities

Other Standards Development Organization (SDOs) in which ILMP participates include:

• Inter-American Metrology System (SIM)
• National Conference of Standards Laboratories International (NCSLI)
• American National Standards Institute (ANSI)
• International Standards Organization (ISO)
• International Electrotechnical Commission (IEC)