– the intergovernmental organization through which Member States act together
     on matters related to measurement science and measurement standards.
Search facility:

| Site map | News | Contact us | [ FR ]
Site map

  • BIPM home page:
  • http://www.bipm.org/en/about-us/
  • BIPM metrology portal:
  • http://search.bipm.org/
  • The BIPM key comparison database:
  • http://kcdb.bipm.org/
  • JCTLM database:
  • http://www.bipm.org/jctlm/
  • BIPM-OIML Resource Center:
  • http://www.metrologyinfo.org/
  • IERS Conventions Center:
  • http://tai.bipm.org/iers/

    The International System of Units (SI)
     History of the SI
    BIPM: Our work programme
     BIPM Staff
     Jobs and Secondments
    Our services
     Comparisons piloted by the BIPM
     Calibration and measurement services
     International reference time scales
    BIPM Capacity Building & Knowledge Transfer Programme
    Our publications
     SI Brochure: The International System of Units (SI)
     Practical realizations of the definitions of some important units
     Director's Reports on the Activity and Management of the BIPM
     Scientific publications
     Guides in Metrology
    BIPM Conference Centre
     Calendar of meetings
     BIPM and co-organized workshops
     Miscellaneous BIPM events
     How to get to the BIPM
    News from the BIPM