C4 Paper Size, Dimensions and Format (C series)

C4 in millimetres

229 x 324 mm




Aspect ratio 1:1.41
Area (A) 74,196 mm²
Perimeter (P) 1,106 mm
Diagonal (d) 396.76 mm


The C4 format measures 229 x 324 mm or inches. An C4 paper fromat has an aspect ratio of 1:1.41. The Area of the C4 paper size is 74,196 mm² or 115.20 in² with a perimeter of 1,106 mm or 43.60 in. An C4 format has a diagonal length of 396.76 mm or 15.65 in. The C4 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.