ISO Standard Variations

Table showing the variations on the ISO standard paper sizes. Includes variations on the common A5, A4, A3 and A2 paper sizes. Because these sizes are all variations on the standard ISO sizes, they will not retain the same aspect ratio when folded or cut in half parallel to the shortest side.

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A Series Paper Sizes
A4 Paper Size
US Letter Paper Size
Billboard Sizes
Newspaper Sizes
ISO Envelope Sizes
US Envelope Sizes
ANSI Paper Sizes
Business Card Sizes
Photo Sizes
Old Imperial Sizes
Canadian Paper Sizes
North American Architectural Sizes