ISO

CM

INCH

A4

21 x 29.7

8.3 x 11.7

A3

 29.7 x 42

 11.7 x 16.6

A2

 42 x 59.4

16.6 x 23.4 

B2

 50 x 70

 19.7 x 27.8

A1

 59.4 x 84.1

23.4 x 33.1 

A0

 84.1 x 118.9

33.1 x 46.8