– 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:
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. BIPM Kibble balance makes significant progress towards realizing the new kilogram definition in 2019 Significant progress towards the completion of the BIPM Kibble balance for realizing the new kilogram definition has been made in 2019. The BIPM will participate in the first key comparison of realizations of the new definition of the kilogram, CCM.M-K8.2019. 2019 Varenna Metrology School and METAS project Three BIPM CBKT/METAS award winners combined their attendance at the Metrology School with a placement at METAS. Standards and metrology in support of safe food and feed workshop held for GULFMET countries The "Metrology for Safe Food and Feed - Organic Analysis and Standards" workshop in Riyadh (Saudi Arabia) was sponsored by the GSO and organized through the BIPM 'Metrology for Safe Food and Feed Programme' Capacity Building and Knowledge Transfer programme. BIPM frequency comb successfully installed by INTI INTI (Argentina) has successfully installed a frequency comb, which had been built by the BIPM for use in its former Length laboratory. "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.