C1 Paper Size, Dimensions and Format (C series)

C1 in millimetres

648 x 917 mm




Aspect ratio 1:1.42
Area (A) 594,216 mm²
Perimeter (P) 3,130 mm
Diagonal (d) 1,122.85 mm


The C1 format measures 648 x 917 mm or inches. An C1 paper fromat has an aspect ratio of 1:1.42. The Area of the C1 paper size is 594,216 mm² or 920.55 in² with a perimeter of 3,130 mm or 123.20 in. An C1 format has a diagonal length of 1,122.85 mm or 44.20 in. The C1 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.