Abstract
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.
Life cycle
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Previously
WithdrawnISO 31-0:1981
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Now
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00
Preliminary
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10
Proposal
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20
Preparatory
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30
Committee
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40
Enquiry
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50
Approval
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60
Publication
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90
Review
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95
Withdrawal
Corrigenda / Amendments
WithdrawnISO 31-0:1992/Amd 1:1998
WithdrawnISO 31-0:1992/Amd 2:2005
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00
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Revised by
WithdrawnISO 80000-1:2009
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