B4 Envelope Paper Size, Dimensions and Format (International Envelope series)
B4 Envelope in millimetres
|Area (A)||88,250 mm²|
|Perimeter (P)||1,206 mm|
|Diagonal (d)||432.56 mm|
The B4 Envelope format measures 353 x 250 mm or inches. An B4 Envelope paper fromat has an aspect ratio of 1.41:1. The Area of the B4 Envelope paper size is 88,250 mm² or 136.22 in² with a perimeter of 1,206 mm or 47.40 in. An B4 Envelope format has a diagonal length of 432.56 mm or 17.01 in. The B4 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.