E4 Envelope Paper Size, Dimensions and Format (International Envelope series)
E4 Envelope in millimetres
|Area (A)||112,000 mm²|
|Perimeter (P)||1,360 mm|
|Diagonal (d)||488.26 mm|
The E4 Envelope format measures 400 x 280 mm or inches. An E4 Envelope paper fromat has an aspect ratio of 1.43:1. The Area of the E4 Envelope paper size is 112,000 mm² or 172.70 in² with a perimeter of 1,360 mm or 53.40 in. An E4 Envelope format has a diagonal length of 488.26 mm or 19.17 in. The E4 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.