Guide for the Use of the International System of Units (SI)

Version History

Example of how to reference this online document:
Barry N. Taylor (2004), Guide for the Use of the International System of Units (SI) (version 2.2). [Online] Available: http://physics.nist.gov/SP811 [2008, May 11]. National Institute of Standards and Technology, Gaithersburg, MD.
Optional addition:
Originally published as Guide for the Use of the International System of Units (SI), NIST Special Publication 811, U.S. Government Printing Office, Washington, DC (1995 Edition).
Citation Form:
Author/editor (Year), Title (edition). [Type of medium] Available: URL [Access date].

Version 2.3
May 2007
Greek letters were converted from images to HTML code in the text. Equations remain displayed as images.
Version 2.2
March 2004
Footnote 28 was added for "acceleration of free fall, standard" in Sec. B.8 and Sec. B.9. The layout of the footnotes page was modified.
Version 2.1
April 2001
Added navagation to Appendix B8 and Appendix B9.
Version 2.0
July 2000
HTML version online.
Version 1.1
October 1996
Update of PDF version.
Version 1.0
May 1996
PDF version online.
Published Version
April 1995
Guide for the Use of the International System of Units (SI), NIST Special Publication 811, U.S. Government Printing Office, Washington, DC (1995 Edition, 2nd printing - supersedes September 1991 Version)

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