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Units of Measure

Phil B. Fontanarosa

and Stacy Christiansen

Page of

PRINTED FROM AMA MANUAL OF STYLE ONLINE ( © American Medical Association, 2009. All Rights Reserved. Under the terms of the license agreement, an individual user may print out a PDF of a single chapter of a title in AMA Manual of Style Online for personal use (for details see Privacy Policy). 

Subscriber: null; date: 20 October 2016


A hyphen is used to join 2 spelled-out units of measure.


A hyphen is used to join a unit of measure and the number associated with it when the combination is used as an adjective. (See Temporary Compounds in 8.3.1, Punctuation, Hyphens and Dashes, Hyphen.)

an 8-L container


a 10-mm strip

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