C7 Paper Size, Dimensions and Format (C series)

C7 in millimeters

81 x 114




Aspect ratio 1:1.41
Area (A) 9,234 mm²
Perimeter (P) 390 mm
Diagonal (d) 139.85 mm


The C7 format measures 81 x 114 mm or 3.2 x 4.5 inches. An C7 paper fromat has an aspect ratio of 1:1.41. The Area of the C7 paper size is 9,234 mm² or 14.40 in² with a perimeter of 390 mm or 15.40 in. An C7 format has a diagonal length of 139.85 mm or 5.52 in. The C7 size belongs to the C series. In the C series there are a total of 11 paper sizes.

Frequently Asked Questions:

The size of an C7 paper is 81 x 114 mm

The size of an C7 paper in inches is 3.2 x 4.5 in

The half size of an C7 paper is 40.5 x 57 mm or 1.6 x 2.25 in

The aspect ratio of an C7 is 1:1.41

The area of an C7 paper is 9,234 mm or 14.40 in

The perimeter of an C7 paper is 390 mm or 15.40 in

The diagonal measurement of C7 paper is 139.85 mm or 5.52 in

Other C Paper Sizes

There are a total of 11 C Paper Sizes.