C5 Envelope Paper Size, Dimensions and Format (International Envelope series)

C5 Envelope in millimeters

229 x 162


C5 Envelope-paper-size


Aspect ratio 1.41:1
Area (A) 37,098 mm²
Perimeter (P) 782 mm
Diagonal (d) 280.51 mm


The C5 Envelope format measures 229 x 162 mm or 9 x 6.4 inches. An C5 Envelope paper fromat has an aspect ratio of 1.41:1. The Area of the C5 Envelope paper size is 37,098 mm² or 57.60 in² with a perimeter of 782 mm or 30.80 in. An C5 Envelope format has a diagonal length of 280.51 mm or 11.04 in. The C5 Envelope size belongs to the International Envelope series. In the International Envelope series there are a total of 12 paper sizes.

Frequently Asked Questions:

The size of an C5 Envelope paper is 229 x 162 mm

The size of an C5 Envelope paper in inches is 9 x 6.4 in

The half size of an C5 Envelope paper is 114.5 x 81 mm or 4.5 x 3.2 in

The aspect ratio of an C5 Envelope is 1.41:1

The area of an C5 Envelope paper is 37,098 mm or 57.60 in

The perimeter of an C5 Envelope paper is 782 mm or 30.80 in

The diagonal measurement of C5 Envelope paper is 280.51 mm or 11.04 in

Other International Envelope Paper Sizes

There are a total of 12 International Envelope Paper Sizes.