– the intergovernmental organization through which Member States act together
     on matters related to measurement science and measurement standards.
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National Metrology Institutes (NMIs)

The BIPM hosts (approximately annual) meetings of the Directors of NMIs, providing a unique occasion for discussion of metrological issues of world-wide concern, and for discussion of the BIPM's work programme. These meetings are also open to government representatives from Member States.

Information about meetings of NMI Directors and State Party Representatives:

Information relating to meetings held prior to 2015 is available from the following restricted-access pages:

The dropdown menu on the right-hand side of this page gives access to information about the metrology infrastructure in individual Member States and Associates.

Member State/ Associate: