SizeKit

SizeKit reference

JIS B1 Size

Find JIS B1 size in mm, cm, inches, pixels, and common DPI values.

JIS B1 size is 728 x 1030 mm, or 28.66 x 40.55 in. At 300 DPI, JIS B1 is 8598 x 12165 px.

Immediate answer

JIS B1 at a glance

Use these defaults for quick design, print, or layout decisions.

Compare group
Millimeters 728 x 1030 mm physical size
Inches 28.66 x 40.55 in rounded
Pixels at 300 DPI 8598 x 12165 px print-ready default

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Use JIS B1 for

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JIS B1 key dimensions

The same values in compact cards for scanning.

Millimeters
728 x 1030
mm
Centimeters
72.8 x 103
cm
Inches
28.66 x 40.55 in
rounded
300 DPI
8598 x 12165 px
pixels

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More Japan sizes

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All size pages

10 sizes
Japan / JIS B JIS B0 1030 x 1456 mm 40.55 x 57.32 in Japan / JIS B JIS B2 515 x 728 mm 20.28 x 28.66 in Japan / JIS B JIS B3 364 x 515 mm 14.33 x 20.28 in Japan / JIS B JIS B4 257 x 364 mm 10.12 x 14.33 in Japan / JIS B JIS B5 182 x 257 mm 7.17 x 10.12 in Japan / JIS B JIS B6 128 x 182 mm 5.04 x 7.17 in Japan / JIS B JIS B7 91 x 128 mm 3.58 x 5.04 in Japan / JIS B JIS B8 64 x 91 mm 2.52 x 3.58 in Japan / JIS B JIS B9 45 x 64 mm 1.77 x 2.52 in Japan / JIS B JIS B10 32 x 45 mm 1.26 x 1.77 in

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JIS B1 pixel table

Common DPI values for designers and print workflows. Use the bottom calculator bar for custom DPI or orientation.

DPIPortrait pixelsLandscape pixels
72 DPI2064 x 2920 px2920 x 2064 px
96 DPI2751 x 3893 px3893 x 2751 px
150 DPI4299 x 6083 px6083 x 4299 px
300 DPI8598 x 12165 px12165 x 8598 px
600 DPI17197 x 24331 px24331 x 17197 px

SizeKit

Formula

SizeKit uses a transparent rounding rule.

pixels = round((millimeters / 25.4) x DPI). Inches = millimeters / 25.4.

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FAQ

Quick answers for this paper size.

What is JIS B1 size in inches?

JIS B1 is 28.66 x 40.55 in when rounded to two decimals.

What is JIS B1 at 300 DPI?

JIS B1 at 300 DPI is 8598 x 12165 px.

Can I switch to landscape?

Yes. Use the bottom calculator and choose landscape to swap width and height.

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Related sizes

Compare nearby sizes before choosing a layout.

>

JIS B0

Related size: 1030 x 1456 mm.
>

JIS B2

Related size: 515 x 728 mm.