C3 Paper Size, Dimensions and Format (C series)

C3 in millimetres

324 x 458 mm




Aspect ratio 1:1.41
Area (A) 148,392 mm²
Perimeter (P) 1,564 mm
Diagonal (d) 561.02 mm


The C3 format measures 324 x 458 mm or inches. An C3 paper fromat has an aspect ratio of 1:1.41. The Area of the C3 paper size is 148,392 mm² or 230.40 in² with a perimeter of 1,564 mm or 61.60 in. An C3 format has a diagonal length of 561.02 mm or 22.09 in. The C3 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.