15.5 Envelope Paper Size, Dimensions and Format (US Catalog Envelope series)
15.5 Envelope in millimeters
|Area (A)||120,170 mm²|
|Perimeter (P)||1,398 mm|
|Diagonal (d)||498.26 mm|
The 15.5 Envelope format measures 394 x 305 mm or 15.5 x 12 inches. An 15.5 Envelope paper fromat has an aspect ratio of 1.29:1. The Area of the 15.5 Envelope paper size is 120,170 mm² or 186 in² with a perimeter of 1,398 mm or 55 in. An 15.5 Envelope format has a diagonal length of 498.26 mm or 19.60 in. The 15.5 Envelope size belongs to the US Catalog Envelope series. In the US Catalog Envelope series there are a total of 12 paper sizes.
Frequently Asked Questions:
There are a total of 12 US Catalog Envelope Paper Sizes.