JB3 Paper Size, Dimensions and Format (Japanese series)

JB3 in millimetres

364 x 515 mm




Aspect ratio 1:1.41
Area (A) 187,460 mm²
Perimeter (P) 1,758 mm
Diagonal (d) 630.65 mm


The JB3 format measures 364 x 515 mm or inches. An JB3 paper fromat has an aspect ratio of 1:1.41. The Area of the JB3 paper size is 187,460 mm² or 290.29 in² with a perimeter of 1,758 mm or 69.20 in. An JB3 format has a diagonal length of 630.65 mm or 24.83 in. The JB3 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.