ISO 31-4 is the part of
international standard ISO 31
ISO 31 ( Quantities and units, International Organization for Standardization, 1992) is a superseded international standard concerning physical quantities, units of measurement, their interrrelationships and their presentation. It was revised and ...
that defines names and symbols for
quantities and
units
Unit may refer to:
Arts and entertainment
* UNIT, a fictional military organization in the science fiction television series ''Doctor Who''
* Unit of action, a discrete piece of action (or beat) in a theatrical presentation
Music
* Unit (album), ...
related to ''heat''. It is superseded by
ISO 80000-5.
Its definitions include:
Annex A of ISO 31-4 lists units of heat based on the foot, pound and second and some other units, including the
degree Rankine,
degree Fahrenheit,
British thermal unit and others. Annex B lists conversion factors for three versions of the
calorie.
#00031-4
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