A0 Paper Size measures 841mm x 1189mm - or 84.1cm x 118.9cm - or 33.1" x 46.8"
A1 Paper Size measures 594mm x 841mm - or 59.4cm x 84.1cm - or 23.4" x 33.1"
A2 Paper Size measures 420mm x 594mm - or 42cm x 59.4cm - or 16.5" x 23.4"
A3 Paper Size measures 297mm x 420mm - or 29.7cm x 42cm - or 11.7" x 16.5".
A4 Paper Size measures 210mm x 297mm - or 21cm x 29.7cm - or 11.7" x 8.3"
A5 Paper Size measures 148mm x 210mm - or 14.8cm x 21cm - or 5.8" x 8.3"
A6 Paper Size measures 105mm x 148mm - or 10.5cm x 14.8cm - or 4.1" x 5.8"