– 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
Length
Mass and related quantities
Photometry and Radiometry
Thermometry
Time and Frequency
Units

BIPM News:
Thirty years of BIPM Circular T BIPM Circular T celebrates its 30th anniversary in 2018, having been published without interruption since 1 March 1988. Implementation of ISO/IEC 17025-2017 to be overseen by the BIPM's new QHSE Officer The BIPM has welcomed the publication of the third edition of the international standard ISO/IEC 17025-2017, "General requirements for the competence of testing and calibration laboratories" and has taken the first steps towards communicating its contents to its staff. Maintaining and disseminating the kilogram following its redefinition The expected adoption of a new definition of the kilogram by the 26th CGPM in November 2018 will bring to an end the period during which the kilogram was defined as the mass of a material artefact, the IPK. The new definition opens the possibility for NMIs to develop their own realization experiments. Improved understanding of Kibble balance magnets The BIPM Kibble balance team reports, in two papers recently published in Metrologia, a detailed study of the effect of the coil-current on the magnetic field produced by the permanent magnet. World Metrology Day 2018: Resource website now live 20 May 2018 - World Metrology Day - will mark the official start of the awareness campaign towards the historic revision of the SI, which is expected to be agreed at the 26th meeting of the CGPM in November 2018. The World Metrology Day Resource website is now live. Ethiopian NMI signs the CIPM MRA Dr Abdu Abagibe, the Director General of the National Metrology Institute of Ethiopia (NMIE), signed the CIPM MRA at the BIPM on 8 January 2018. Dr Hugo Gasca-Aragon from CENAM visits the BIPM On 4-7 December 2017, the BIPM welcomed Dr Hugo Gasca-Aragon, a specialist in statistics and the uncertainty evaluation of all standards at CENAM, the Mexican NMI. JCTLM Workshop: Accurate results for patient care A two-day JCTLM workshop at the BIPM focused on metrological traceability in laboratory medicine, which is increasingly recognized to reduce between-method variability and effectively impact accurate results in patient care.
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.