C10 Paper Size, Dimensions and Format (C series)


28 x 40




Aspect ratio 1:1.43
Perimeter (P) 136 mm
Diagonal (d) 48.83 mm
Area (A) 1,120 mm²


The C10 format measures 28 x 40 mm or 1.1 x 1.6 inches. An C10 paper fromat has an aspect ratio of 1:1.43. The Area of the C10 paper size is 1,120 mm² or 1.76 in² with a perimeter of 136 mm or 5.40 in. An C10 format has a diagonal length of 48.83 mm or 1.94 in. The C10 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 C10 paper is 28 x 40 mm

The size of an C10 paper in inches is 1.1 x 1.6 in

The half size of an C10 paper is 14 x 20 mm or 0.55 x 0.8 in

The aspect ratio of an C10 is 1:1.43

The area of an C10 paper is 1,120 mm or 1.76 in

The perimeter of an C10 paper is 136 mm or 5.40 in

The diagonal measurement of C10 paper is 48.83 mm or 1.94 in

Other C Paper Sizes →

There are a total of 11 C Paper Sizes.