9 Envelope Paper Size, Dimensions and Format (US Commercial Envelope series)
9 Envelope in millimetres
|Area (A)||22,050 mm²|
|Perimeter (P)||646 mm|
|Diagonal (d)||245.42 mm|
The 9 Envelope format measures 225 x 98 mm or inches. An 9 Envelope paper fromat has an aspect ratio of 2.3:1. The Area of the 9 Envelope paper size is 22,050 mm² or 34.71 in² with a perimeter of 646 mm or 25.60 in. An 9 Envelope format has a diagonal length of 245.42 mm or 9.72 in. The 9 Envelope size belongs to the US Commercial Envelope series. In the US Commercial Envelope series there are a total of 11 paper sizes.
There are a total of 11 US Commercial Envelope Paper Sizes.