JIS B4

Japanese Industrial Standard B4 format.

Asian Sizes / 257 x 364 mmBack to Family

Dimensions in inches and centimeters

Portrait

10.12 in x 14.33 in

25.70 cm x 36.40 cm

Landscape

14.33 in x 10.12 in

36.40 cm x 25.70 cm

Dimensions Table

Specs

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Orientation	Millimeters	Inches	Pixels (300 dpi)
Portrait	257 x 364	10.12 in x 14.33 in	3035 px x 4299 px
Landscape	364 x 257	14.33 in x 10.12 in	4299 px x 3035 px

Deep Dive

JIS B4 measures 257 x 364 mm (25.70 x 36.40 cm).
Total surface area is 93,548 mm² (145.00 in²).
Approximate diagonal is 17.54 inches, useful when checking fit inside sleeves or packaging.
Linked to regional publishing and office systems, especially Japanese standards.