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Various measures of paper quantity have been and are in use. Although there are no S.I. units such as quires and bales, there are ISO〔''ISO 4046-3:2002 Paper, board, pulps and related terms – Vocabulary – Part 3: Paper-making terminology'' (2002), quoted in ''ISO 22414:2004(E) Paper – Cut-size office paper – Measurement of edge quality'' (2004) Geneva:ISO.〕 and DIN〔''Papier und Pappe: DIN 6730:2011-02: Begriffe'' (''Paper and board: vocabulary'') (2011) (in German). Berlin: Beuth Verlag.〕 standards for the ream. Expressions used here include U.S. Customary units. ==Units== ; Writing paper measurements : 25 sheets = 1 quire : 500 sheets = 20 quires = 1 ream : 1,000 sheets = 40 quires = 2 reams = 1 bundle : 5,000 sheets = 200 quires = 10 reams = 5 bundles = 1 bale ; 'Short' paper measurements〔1998 Mead Composition Notebook 'Useful Information'.〕 : 24 sheets = 1 'short' quire : 480 sheets = 20 'short' quires = 1 'short' ream : 960 sheets = 40 'short' quires = 2 'short' reams = 1 'short' bundle : 4,800 sheets = 200 'short' quires = 10 'short' reams = 5 'short' bundles = 1 'short' bale ; Posters and printing measurements : 516 sheets (= 21½ 'short' quires) = 1 printer's ream : 1,032 sheets = 2 printer's reams = 1 printer's bundle : 5,160 sheets = 5 printer's bundles = 1 printer's bale ; Cover and Index paper : 250 sheets = 1 ream 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Units of paper quantity」の詳細全文を読む スポンサード リンク
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