C8 Paper Size, Dimensions and Format (C series)

C8 in millimetres

57 x 81 mm




Aspect ratio 1:1.42
Area (A) 4,617 mm²
Perimeter (P) 276 mm
Diagonal (d) 99.05 mm


The C8 format measures 57 x 81 mm or inches. An C8 paper fromat has an aspect ratio of 1:1.42. The Area of the C8 paper size is 4,617 mm² or 7.04 in² with a perimeter of 276 mm or 10.80 in. An C8 format has a diagonal length of 99.05 mm or 3.88 in. The C8 size belongs to the C series. In the C series there are a total of 11 paper sizes.

Other C Paper Sizes

There are a total of 11 C Paper Sizes.