Paper Sizes

Dimensions Of A Series Paper Sizes

The dimensions of the A series paper sizes, as defined by ISO 216, are given in the table below in both millimetres and inches (cm measurements can be obtained by dividing mm value by 10). The A Series paper size chart to the right gives a visual explanation of how the sizes relate to each other – for example A5 is half of A4 size paper and A2 is half of A1 size paper.

Table of Paper Sizes From 4A0 to A10

Size Height x Width (mm) Height x Width (in)
A0 1189 x 841 mm 46.8 x 33.1 in
A1 841 x 594 mm 33.1 x 23.4 in
A2 594 x 420 mm 23.4 x 16.5 in
A3 420 x 297 mm 16.5 x 11.7 in
A4 297 x 210 mm 11.7 x 8.3 in
A5 210 x 148 mm 8.3 x 5.8 in
A6 148 x 105 mm 5.8 x 4.1 in
A7 105 x 74 mm 4.1 x. 2.9 in

To obtain paper sizes in centimetres, convert mm values to cm by dividing by 10 and in feet by dividing inch values by 12.

The last item is there because the root 2 aspect ratio doesn’t always give a whole number.