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Paper Sizes Explained

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A Sizes for Posters or Paper

The simplest way to explain the aspect ratio of A sizes is that two of one size will equate to one of the next size up. For example, 2 x A4 sheets side by side (portrait) will equate to 1 x A3 page and 2 x A3 pages side by side (portrait) will equate to 1 x A2 size.

The larger the size of paper the smaller the number – A10 is the smallest and A0 size is the largest.

a-series-paper-sizes-1.jpg

 

Paper Size Dimensions:

 

Size

Metric

A0

1189 x 841 mm

A1

841 x 594 mm

A2

594 x 420 mm

A3

420 x 297 mm

A4

297 x 210 mm

A5

210 x 148 mm

A6

148 x 105 mm

A7

105 x 74 mm

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