ISO A Series Paper Formats:

Size mm Inches
0 841 × 1189 33.1 × 46.8
1 594 × 841 23.4 × 33.1
2 420 × 594 16.5 × 23.4
3 297 × 420 11.7 × 16.5
4 210 × 297 8.3 × 11.7
5 148 × 210 5.8 × 8.3
6 105 × 148 4.1 × 5.8
7 74 × 105 2.9 × 4.1
8 52 × 74 2.0 × 2.9
9 37 × 52 1.5 × 2.0
10 26 × 37 1.0 × 1.5

 ISO A Series Paper Size Chart


 

ISO B Series Paper Formats:

Size mm Inches
0 1000 × 1414 39.4 × 55.7
1 707 × 1000 27.8 × 39.4
2 500 × 707 19.7 × 27.8
3 353 × 500 13.9 × 19.7
4 250 × 353 9.8 × 13.9
5 176 × 250 6.9 × 9.8
6 125 × 176 4.9 × 6.9
7 88 × 125 3.5 × 4.9
8 62 × 88 2.4 × 3.5
9 44 × 62 1.7 × 2.4
10 31 × 44 1.2 × 1.7

ISO B Series Paper Size Chart


 

ISO C Series Paper Formats:

Size mm Inches
0 917 × 1297 36.1 × 51.1
1 648 × 917 25.5 × 36.1
2 458 × 648 18.0 × 25.5
3 324 × 458 12.8 × 18.0
4 229 × 324 9.0 × 12.8
5 162 × 229 6.4 × 9.0
6 114 × 162 4.5 × 6.4
7 81 × 114 3.2 × 4.5
8 57 × 81 2.2 × 3.2
9 40 × 57 1.6 × 2.2
10 28 × 40 1.1 × 1.6

ISO C Series Paper Size Chart