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Since 1982

Measurements of
A3 Paper (Metric/English)



International Standards Organization (ISO)
and English-system Measurements of A3 Paper




Product References:  A3 Inkjet paper and A3 laser / copier paper.  
 

The Measurements of A3 Paper...
 

A3 paper is used widely throughout the world.  In the United States, Mexico, Canada, and the Philippines, this size and other ISO (International Standards Organization) paper sizes are in limited use only.  The naming convention "A3" comes from the ISO metric-based paper size measurement system.


The ISO measurements of A3 paper:

420 mm

(Metric system, mm = millimeters)

 

297 mm

 



By comparison to the English system of measurement, A3 paper is functionally equivalent to B-Size paper, which measures 11" x 17".  The dimensions are not the same, but the relative paper sizes are similar.  11" x 17" paper in the United States is functionally equivalent to A3 paper in Europe or Japan, for example.


The English-based measurements of A3 paper (converted from metric):

16.54 in.

(English system, in. = inches)

Note:  dimensions converted from the metric measurements of A3 paper.

 

11.69 in.

 



Product availability in the United States:
Product information for inkjet, laser/copier paper for the A3 paper size and other ISO paper sizes, including A4 and A5 paper, is available from the cross-reference tables (indexed by paper size): 


Paper-size charts:    A3 paper   A4 paper   
 

 

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Technical info on ISO A sizes:   
ISO Paper Standards from Markus Kuhn, University of Cambridge

Papers by Size:    Printer Paper charts by paper size

More Articles:   Product Guides, FAQs, & References

Site Links:  All Printer Papers (by Size)   

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