What is Ounce?
The '''ounce''' (abbreviated: '''oz''', the old Italian word ''onza'', now spelled ''oncia'') is a [[units of measurement|unit]] of [[mass]] or of [[weight]] in a number of different systems, including various systems of mass that form part of the [[imperial unit|imperial]] and [[United States customary units|United States customary]] systems. Its size can vary from system to system. The most commonly used ounces used today are the international avoirdupois ounce of about 28.35 grams, and the international troy ounce of about 31.1 grams. == Related pages == * [[Fluid ounce]] == Other websites == * [http://www.unc.edu/~rowlett/units/dictO.html#ounce Dictionary of Units: Ounce] {{Webarchive|url=https://web.archive.org/web/20180818124536/http://www.unc.edu/~rowlett/units/dictO.html#ounce |date=2018-08-18 }} {{science-stub}} [[Category:Imperial units]] [[Category:Units of mass]] [[Category:Units of volume]]