– 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:
Sunday 20 May 2018 is World Metrology Day! World Metrology Day 2018, focusing on the theme Constant evolution of the International System of Units, marks the official start of the awareness campaign towards the historic revision of the SI.
We invite you to download the promotional poster and other material from the World Metrology Day website, and to browse the many events being organized around the world to celebrate the day. Dr Elisa Felicitas Arias has received the EFTF Marcel Ecabert Award 2018 Dr Elisa Felicitas Arias, the former Director of the BIPM Time Department, has received the European Frequency and Time Forum (EFTF) Marcel Ecabert Award 2018 in recognition of her initiative and leadership in the development and realization of international atomic time. Launch of qNMR Internal Standard Reference Data The BIPM has published the first set of reference data to support laboratories world-wide that use qNMR for the purity assignment of organic compounds. The online publication of the first Internal Standard Reference Data (ISRD) document is for the use of maleic acid as a qNMR internal standard. New liaison for the BIPM with ISO/TC85/SC 2: Radiological protection The BIPM is joining ISO/TC85/SC 2: Radiological protection as a liaison organization. CB&KT course to improve contributions to the computation of UTC Twenty-one participants from 21 countries recently completed a two-day course - "Effective participation in Coordinated Universal Time (UTC)" as part of the BIPM Capacity Building and Knowledge Transfer (CB&KT) programme.
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.