C3 Envelope Paper Size, Dimensions and Format (International Envelope series)
C3 Envelope in millimeters
|Area (A)||148,392 mm²|
|Perimeter (P)||1,564 mm|
|Diagonal (d)||561.02 mm|
The C3 Envelope format measures 458 x 324 mm or 18 x 12.8 inches. An C3 Envelope paper fromat has an aspect ratio of 1.41:1. The Area of the C3 Envelope paper size is 148,392 mm² or 230.40 in² with a perimeter of 1,564 mm or 61.60 in. An C3 Envelope format has a diagonal length of 561.02 mm or 22.09 in. The C3 Envelope size belongs to the International Envelope series. In the International Envelope series there are a total of 12 paper sizes.
Frequently Asked Questions:
There are a total of 12 International Envelope Paper Sizes.