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About This Item


Full Description

Gives general information about principles concerning physical quantities, equations, quantity and unit symbols, and coherent unit systems, especially the International System of Units, SI, including recommendations for printing symbols and numbers. Annex A includes a guide to terms used in names for physical quantities, Annex B a guide to the rounding of numbers, Annex C international organizations in the field of quantities and units.


Document History

  1. ISO 80000-1:2009

    Quantities and units - Part 1: General

    • Most Recent
  2. ISO 1000/AMD1:1998

    Amendment 1 to ISO 1000:1992

    • Historical Version
  3. ISO 1000:1992

    SI units and recommendations for the use of their multiples and of certain other units

    • Historical Version
  4. ISO 31-0:1992


    Quantities and units -- Part 0: General principles

    • Historical Version

Amendments, rulings, supplements, and errata

  1. ISO 31-0/Amd2:2005

    General principles concerning quantities, units and symbols - Amendment 2

  2. ISO 31-0/AMD1:1998

    Amendment 1 to ISO 31-0:1992