– the intergovernmental organization through which Member States act together
     on matters related to measurement science and measurement standards.
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ISO/TC 12: Quantities and units

The scope of ISO/TC 12 Quantities and units is defined as:

    Standardization of units and symbols for quantities and units (and mathematical symbols) used within the different fields of science and technology, giving, where necessary, definitions of these quantities and units. Standard conversion factors between the various units.

In particular, ISO/TC 12 is responsible for the ISO 80000 series "Quantities and units" (previously ISO 31).

Links between the BIPM and the ISO-TC12:

  • The BIPM has Liaison A status with ISO/TC 12.
  • ISO/TC 12 participates in the CCU.

BIPM contact(s):
ISO-TC12 contact(s):
  • Secretary: Mr Sven Radhe
  • Chairperson (until end 2021): Prof. Leslie Pendrill
  • Ms Mercè Ferrés Hernández, ISO Technical Programme Manager and ISO Editorial Programme Manager