JB9 Paper Size, Dimensions and Format (Japanese series)
JB9 in millimetres
|Area (A)||2,880 mm²|
|Perimeter (P)||218 mm|
|Diagonal (d)||78.24 mm|
The JB9 format measures 45 x 64 mm or inches. An JB9 paper fromat has an aspect ratio of 1:1.42. The Area of the JB9 paper size is 2,880 mm² or 4.50 in² with a perimeter of 218 mm or 8.60 in. An JB9 format has a diagonal length of 78.24 mm or 3.08 in. The JB9 size belongs to the Japanese series. In the Japanese series there are a total of 18 paper sizes.
There are a total of 18 Japanese Paper Sizes.