– the intergovernmental organization through which Member States act together
     on matters related to measurement science and measurement standards.
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About the BIPM
Metrology area:
Acoustics, Ultrasound and Vibration
Chemistry and Biology
Electricity and Magnetism
Ionizing Radiation
Mass and related quantities
Photometry and Radiometry
Time and Frequency

BIPM News:
Launch of the OECD/BIPM joint study: The Case of the International Bureau of Weights and Measures The BIPM/OECD joint study "The Case of the International Bureau of Weights and Measures" is a result of a collaboration between the two organizations, which has been under way since 2017. The study marks the latest in the series of studies of rule-making practices of selected International Organizations (IOs) that have already been published within the framework of the OECD IO Partnership for effective international rule-making. World Metrology Day 2020: Resource website now live On behalf of the World Metrology Day Team, we are pleased to announce that the 2020 World Metrology Day Resource Website is now live. The theme this year is "Measurements for global trade". ICSH: a new Executive Committee member of the JCTLM The International Council for Standardization in Haematology (ICSH) joins the Executive Committee of the JCTLM, providing expertise in clinical laboratory haematology and contributing to future developments of metrological traceability in laboratory medicine. BIPM-APMP CBKT Workshop "Important transitions in the CIPM MRA infrastructure" The workshop provided an effective forum to share knowledge about the KCDB 2.0 and changes to the international standards ISO/IEC 17025 and ISO 17034. An interactive atmosphere was encouraged at the workshop, with many questions from the participants. Proceedings of the 26th meeting of the CGPM (2018) are now available The BIPM is pleased to announce that the Proceedings of the 26th meeting of the General Conference on Weights and Measures (CGPM), 13 to 16 November 2018, are now available for download. "Français et Sciences 2019" competition The BIPM and the LNE are partners in support of the competition "Français et Sciences" (French Language and Sciences), which this year is dedicated to the Moon.
For more information please see: presentation | registration | rules | 2019 winners

Latest reports and announcements:

The BIPM's mission and role:

  • Our vision is to be universally recognized as the world focus for the international system of measurement.

  • Our mission is to work with the NMIs of our Member States, the RMOs and strategic partners world-wide and to use the BIPM's international and impartial status to promote and advance the global comparability of measurements.