Frequently Asked Questions
Please see our "Links to selected scientific data."
Please browse our site, beginning at SI Units.
The NIST site has an online conversion utility for energy-related quantities. Similar utilities may be found on other sites.
Official values of conversion factors are available from NIST in pdf form in the Appendix of Special Publication 811, which is also available free of charge by mail.
For a very comprehensive listing of most units, see: Cardarelli, Francois. Encyclopaedia of Scientific Units, Weights and Measures. Their SI equivalences and origins. 3rd edition (Springer-Verlag, New York, London, Heidelberg, 2003), 872 pages, ISBN 1-85233-682-X; Hardcover.
Yes, as a pdf. Viewing this file will require an Adobe Acrobat viewer and/or plug-in. Go to our main constants page, choose "Find value in category (via Table - PDF)" and click "All values." Or click here.
We have summarized most of the rules and style conventions for writing SI units via a checklist designed to help authors review the conformity of their manuscripts with proper SI usage and the basic principles concerning quantities and units.
Absolutely, although we would prefer you to link to one of our home pages: Values of the constants and related information, Searchable bibliography on the constants, In-depth information on the SI, the modern metric system, or Guidelines for the expression of uncertainty in measurement. Or our main home page.
Please send it to us. Thank you.
Last update: November 2004
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