ASTM SI10-16

American National Standard for
Metric Practice
Co-Sponsors

ASTM Committee E43 on SI Practice

and

IEEE Standards Coordinating Committee 14
(Quantities, Units, and Letter Symbols)

IEEE
IEEE/ASTM SI 10™-2016
3 Park Avenue
(Revision of
New York, NY 10016-5997
IEEE/ASTM SI 10-2010)
USA

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IEEE/ASTM SI 10™-2016
(Revision of IEEE/ASTM SI 10-2010)
American National Standard
for Metric Practice
Co-Sponsors

ASTM Committee E43 on SI Practice

and
IEEE Standards Coordinating Committee 14
(Quantities, Units, and Letter Symbols)


Approved 22 September 2016

IEEE-SA Standards Board

Approved 1 July 2016

ASTM International

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Abstract: Guidance for the use of the modern metric system is given. Known as the International
System of Units (abbreviated SI), the system is the basis for worldwide standardization of
measurement units. Information is included on SI, a list of units recognized for use with SI, and a
list of conversion factors, together with general guidance on proper style and usage.

Keywords: conversion factors, International System, International System of Units, metric
practice, metric system, rounding, SI, SI 10, Système International d’Unités

•

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Copyright © 2016 by The Institute of Electrical and Electronics Engineers, Inc. and ASTM International.
All rights reserved. Published 10 March 2017. Printed in the United States of America.

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PDF: ISBN 978-1-5044-3717-2 STD22411
Print: ISBN 978-1-5044-3718-9 STDPD22411

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