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A quire of paper is a measure of paper quantity. The usual meaning is 25 sheets of the same size and quality: 1 ⁄ 20 of a ream of 500 sheets. Quires of 25 sheets are often used for machine-made paper, while quires of 24 sheets are often used for handmade or specialised paper of 480-sheet reams.
In the metric system, the mass per unit area of all types of paper and paperboard is expressed in terms of grams per square metre (g/m 2).This quantity is commonly called grammage in both English and French, [2] though printers in most English-speaking countries still refer to the "weight" of paper.
In the paper and fabric industries, it is called grammage and is expressed in grams per square meter (g/m 2); for paper in particular, it may be expressed as pounds per ream of standard sizes ("basis ream"). A related area number density can be defined by replacing mass by number of particles or other countable quantity, with resulting units of ...
This was an official unit of measurement in South Africa until the 1970s, and was defined in November 2007 by the South African Law Society as having a conversion factor of 1 morgen = 0.856 532 hectares. [28] This unit of measure was also used in the Dutch colonial province of New Netherland (later New York and parts of New England). [29] [30]
Paper density is a paper product's mass per unit volume. The density can be calculated by dividing the grammage of paper (in grams per square metre or "gsm") by its caliper (usually in micrometres , occasionally in mils ).
Units of paper quantity; Uno (unit) This page was last edited on 16 May 2022, at 02:20 (UTC). Text is available under the Creative Commons Attribution-ShareAlike 4.0 ...
1 Fromthe old "Paper ream" page. 2 vellum. 1 comment. 3 Printer's bale. ... 2 comments. 5 To be added. 1 comment. Toggle the table of contents. Talk: Units of paper ...
Quantity System Framework – Quantity System Library and Calculator for Units Conversions and Quantities predictions; List of units with selected conversion factors; Historical "Arithmetic Conventions for Conversion Between Roman [i.e. Ottoman] and Egyptian Measurement" is a manuscript from 1642, in Arabic, which is about units of measurement.