C4 Envelope Paper Size, Dimensions and Format (International Envelope series)
C4 Envelope in millimetres
|Area (A)||74,196 mm²|
|Perimeter (P)||1,106 mm|
|Diagonal (d)||396.76 mm|
The C4 Envelope format measures 324 x 229 mm or inches. An C4 Envelope paper fromat has an aspect ratio of 1.41:1. The Area of the C4 Envelope paper size is 74,196 mm² or 115.20 in² with a perimeter of 1,106 mm or 43.60 in. An C4 Envelope format has a diagonal length of 396.76 mm or 15.65 in. The C4 Envelope size belongs to the International Envelope series. In the International Envelope series there are a total of 12 paper sizes.
There are a total of 12 International Envelope Paper Sizes.