JB3 Paper Size, Dimensions and Format (Japanese series)


364 x 515




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


The JB3 format measures 364 x 515 mm or 14.3 x 20.3 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.

Frequently Asked Questions

The size of an JB3 paper is 364 x 515 mm

The size of an JB3 paper in inches is 14.3 x 20.3 in

The half size of an JB3 paper is 182 x 257.5 mm or 7.15 x 10.15 in

The aspect ratio of an JB3 is 1:1.41

The area of an JB3 paper is 187,460 mm or 290.29 in

The perimeter of an JB3 paper is 1,758 mm or 69.20 in

The diagonal measurement of JB3 paper is 630.65 mm or 24.83 in

Other Japanese Paper Sizes →

There are a total of 18 Japanese Paper Sizes.