JB5 Paper Size, Dimensions and Format (Japanese series)

JB5 in millimetres

182 x 257 mm




Aspect ratio 1:1.41
Area (A) 46,774 mm²
Perimeter (P) 878 mm
Diagonal (d) 314.92 mm


The JB5 format measures 182 x 257 mm or inches. An JB5 paper fromat has an aspect ratio of 1:1.41. The Area of the JB5 paper size is 46,774 mm² or 72.72 in² with a perimeter of 878 mm or 34.60 in. An JB5 format has a diagonal length of 314.92 mm or 12.40 in. The JB5 size belongs to the Japanese series. In the Japanese series there are a total of 18 paper sizes.

Other Japanese Paper Sizes

There are a total of 18 Japanese Paper Sizes.