Length, Area, Volume, Mass - AMA Manual of Style

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Length, Area, Volume, Mass 

Units of Measure

Phil B. Fontanarosa

and Stacy Christiansen

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PRINTED FROM AMA MANUAL OF STYLE ONLINE (www.amamanualofstyle.com). © 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). date: 01 December 2015

Measurements of length, area, volume, and mass are reported by means of metric units rather than English units (Table ). In less formal, nonscientific texts such as essays, use of nonmetric units, such as miles or inches, and the use of idioms, such as “An ounce of prevention is worth a pound of cure,” are acceptable. In addition, if the nonmetric unit was used as part of a survey or questionnaire, the original measure should be retained.The patients were asked, “Do you have difficulty walking 15 feet?”

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