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Paper Sizes

The most common paper sizes used are either A or B. If the letter designating the series is followed by a figure, for example A1, it indicates the basic A0 sheet has been halved by halving the longer dimension. Similarly A2 is half A1, A3 is half A2, A4 is half A3 and so on. The C range is most commonly used in the envelope market.

A range mm B range mm C range mm
2A0 1189 x 1682 2B0 1400 x 2000  
A0 841 x 1189 B0 1000 x 1440  
A1 594 x 841 B1 720 x 1020  
A2 420 x 594 B2 520 x 720  
A3 297 x 420 B3 360 x 520  
A4 210 x 297 B4 260 x 360 C4 229 x 324
A5 148 x 210 B5 180 x 260 C5 114 x 162
A6 105 x 148 B6 130 x 180 C6 81 x 114
A7 74 x 105 B7 90 x 130 C7 57 x 81
Paper Sizes diagram