What Size is A0 – A1 – A2 – A3 – A4

A0 size is 1189 x 841mm – ( 46.8x 33.1 inches )

A1 size is 841 x 594mm – ( 33.1 x 23.4 inches )

A2 size is 594 x 420mm – ( 23.4 x 16.5 inches )

A3 size is 420 x 297mm – ( 16.5 x 11.7 inches )

A4 size is 297 x 210mm – ( 11.7 x 8.3 inches )