JB2 Paper Size, Dimensions and Format (Japanese series)


515 x 728




Aspect ratio 7.08:1
Perimeter (P) 2,486 mm
Diagonal (d) 891.74 mm
Area (A) 374,920 mm²


The JB2 format measures 515 x 728 mm or 20.3 x 28.7 inches. An JB2 paper fromat has an aspect ratio of 7.08:1. The Area of the JB2 paper size is 374,920 mm² or 582.61 in² with a perimeter of 2,486 mm or 98 in. An JB2 format has a diagonal length of 891.74 mm or 35.15 in. The JB2 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 JB2 paper is 515 x 728 mm

The size of an JB2 paper in inches is 20.3 x 28.7 in

The half size of an JB2 paper is 257.5 x 364 mm or 10.15 x 14.35 in

The aspect ratio of an JB2 is 7.08:1

The area of an JB2 paper is 374,920 mm or 582.61 in

The perimeter of an JB2 paper is 2,486 mm or 98 in

The diagonal measurement of JB2 paper is 891.74 mm or 35.15 in

Other Japanese Paper Sizes →

There are a total of 18 Japanese Paper Sizes.