The NIST Reference on Constants, Units and Uncertainty

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Ordering SP 330 or SP 811 for postal delivery

Single copies of NIST Special Publications 330 and 811 are available free of charge from the NIST Laws and Metric Program.
Orders will be shipped within about 1 week. For immediate access, the complete SP 330 and SP 811 are also available online.

Order by mail or telephone

NIST Special Publication 330, The International System of Units (SI), 2019 Edition, David B. Newell and Eite Tiesinga, Editors.

Mail: NIST Office of Weights and Measures
Laws and Metric Program
100 Bureau Drive, Stop 2600
Gaithersburg, MD 20899-2600
E-mail: TheSI@nist.gov
Telephone: Elizabeth Benham, 301-975-3690


Go to   SI Units bibliography   or the   Introduction

Online: March 1998   -   Last update: March 2020