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About This Item


Full Description

ISO 80000-1:2009 gives general information and definitions concerning quantities, systems of quantities, units, quantity and unit symbols, and coherent unit systems, especially the International System of Quantities, ISQ, and the International System of Units, SI.

The principles laid down in ISO 80000-1:2009 are intended for general use within the various fields of science and technology and as an introduction to other parts of the Quantities and units series.

Ordinal quantities and nominal properties are outside the scope of ISO 80000-1:2009.


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 80000-1/Cor1:2011


    Quantities and units - Part 1: General - Corrigendum 1