Barry Taylor and
This website contains detailed information on the essentials of the SI System. It includes definitions of the base units and their historical context, names and symbols of derived units, and a graphical illustration of relationships among SI units. Users will also find an authoritative section on rules and style conventions for using the SI.
This item is part of a larger online reference resource developed and maintained by NIST, the National Institute for Standards and Technology. SEE RELATED MATERIALS on this page for a link to the NIST Fundamental Physical Constants.
International System of Units, SI, base units, constants, derived units, measurement, unit conversion, units
Metadata instance created
August 4, 2009
by Caroline Hall
January 22, 2013
by Caroline Hall
Last Update when Cataloged:
January 24, 2008
This resource is part of a Physics Front Topical Unit.
Topic: Measurement and the Language of Physics Unit Title: Units of Measure
Teachers will find in-depth information on base units, derived units, and relationships among SI units in this free web site developed and maintained by NIST (the National Institute for Science and Technology). Don't miss the link to the "Digital Dutch" unit converter. It is amazingly easy to use.
%0 Electronic Source %A Taylor, Barry %A Mohr, Peter %D January 24, 2008 %T The NIST Reference: International System of Units (SI) %V 2014 %N 31 July 2014 %7 2002 values %8 January 24, 2008 %9 text/html %U http://physics.nist.gov/cuu/Units/index.html
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The latest version of the NIST Physical Constants, recommended for international use, is found at this web site, also maintained by the National Institute for Science and Technology. Also contains background information related to constants.