A6 Paper Size, Dimensions and Format (A series)

A6 in millimetres

105 x 148 mm




Aspect ratio 1:1.41
Area (A) 15,540 mm²
Perimeter (P) 506 mm
Diagonal (d) 181.46 mm


The A6 format measures 105 x 148 mm or inches. An A6 paper fromat has an aspect ratio of 1:1.41. The Area of the A6 paper size is 15,540 mm² or 23.78 in² with a perimeter of 506 mm or 19.80 in. An A6 format has a diagonal length of 181.46 mm or 7.10 in. The A6 size belongs to the A series. In the A series there are a total of 19 paper sizes.

Other A Paper Sizes

There are a total of 19 A Paper Sizes.