– 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 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: