The NIST Reference: International System of Units (SI)

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written by Barry Taylor and Peter Mohr
designer: Michael Douma

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.

https://physics.nist.gov/cuu/Units/index.html

Subjects	Levels	Resource Types
General Physics - Measurement/Units	- High School - Lower Undergraduate - Upper Undergraduate	- Reference Material = Nonfiction Reference

Appropriate Courses	Categories	Ratings
- Physical Science - Physics First - Conceptual Physics - Algebra-based Physics - AP Physics	- Activity - New teachers	Currently 0.0/5 Want to rate this material? Login here!

Intended Users:: Educator
Professional/Practitioner
Learner
Formats:: text/html
application/pdf
Access Rights:: Free access
Restriction:: Does not have a copyright, license, or other use restriction.
Additional information is available.
Courtesy of:: National Institute of Science and Technology
Keywords:: International System of Units, SI, base units, constants, derived units, measurement, unit conversion, units
Record Cloner:: Metadata instance created August 4, 2009 by Caroline Hall
Record Updated:: January 22, 2013 by Caroline Hall
Last Update when Cataloged:: January 24, 2008

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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.

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<a href="https://www.compadre.org/precollege/items/detail.cfm?ID=9336">Taylor, Barry, and Peter Mohr. The NIST Reference: International System of Units (SI). January 24, 2008.</a>

AIP Format

B. Taylor and P. Mohr, , Version 2002 values (1998), WWW Document, (https://physics.nist.gov/cuu/Units/index.html).

AJP/PRST-PER

B. Taylor and P. Mohr, The NIST Reference: International System of Units (SI), Version 2002 values (1998), <https://physics.nist.gov/cuu/Units/index.html>.

APA Format

Taylor, B., & Mohr, P. (2008, January 24). The NIST Reference: International System of Units (SI). Retrieved December 9, 2024, from https://physics.nist.gov/cuu/Units/index.html

Chicago Format

Taylor, Barry, and Peter Mohr. The NIST Reference: International System of Units (SI). January 24, 2008. https://physics.nist.gov/cuu/Units/index.html (accessed 9 December 2024).

MLA Format

Taylor, Barry, and Peter Mohr. The NIST Reference: International System of Units (SI). Vers. 2002 values. 1998. 24 Jan. 2008. 9 Dec. 2024 <https://physics.nist.gov/cuu/Units/index.html>.

BibTeX Export Format

@misc{ Author = "Barry Taylor and Peter Mohr", Title = {The NIST Reference: International System of Units (SI)}, Volume = {2024}, Number = {9 December 2024}, Month = {January 24, 2008}, Year = {1998} }

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%A Barry Taylor %A Peter Mohr %T The NIST Reference: International System of Units (SI) %D January 24, 2008 %U https://physics.nist.gov/cuu/Units/index.html %O 2002 values %O text/html

EndNote Export Format

%0 Electronic Source %A Taylor, Barry %A Mohr, Peter %D January 24, 2008 %T The NIST Reference: International System of Units (SI) %V 2024 %N 9 December 2024 %7 2002 values %8 January 24, 2008 %9 text/html %U https://physics.nist.gov/cuu/Units/index.html

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The NIST Reference: International System of Units (SI):

Is Associated With Fundamental Physical Constants from NIST

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.

relation by Caroline Hall

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