JIS B3 paper size
364 × 515 mm
14.33 × 20.28 inches · 36.4 × 51.5 cm · aspect ratio 1:1.41
JIS B3 size is 364 × 515 mm. Those are the JIS B3 dimensions a printer works to; the same sheet in centimetres, inches, points and pixels is below.
What JIS B3 is for
JIS B3 is 364 × 515 mm. Common for posters and large notebooks in Japan. It sits between A2 and A3, which is the entire purpose of a B series: to fill the gaps the A series leaves.
JIS B3 dimensions in every unit
| Unit | Width | Height |
|---|---|---|
| Millimetres | 364 mm | 515 mm |
| Centimetres | 36.4 cm | 51.5 cm |
| Inches | 14.33 in | 20.28 in |
| Points (PostScript) | 1032 pt | 1460 pt |
JIS B3 in pixels
Pixel dimensions depend entirely on the resolution you are working at — there is no single "pixel size" for a sheet of paper. Every resolution, with file sizes and canvas setup →
| Resolution | Pixels | Use |
|---|---|---|
| 72 DPI | 1032 × 1460 | Screen preview only — far too coarse to print |
| 150 DPI | 2150 × 3041 | Draft printing, internal documents |
| 300 DPI | 4299 × 6083 | The standard for commercial print |
| 600 DPI | 8598 × 12165 | Fine detail, line art, archival scanning |
Setting up a print document? Use 300 DPI and add 3 mm of bleed on every edge unless your printer specifies otherwise.
How JIS B3 relates to the rest of the series
About JIS B3
JIS B3 is 364 × 515 mm, the Japanese B series size, which is not the same as ISO B3.
Other JIS B series (Japan) sizes
| Size | Millimetres | Inches |
|---|---|---|
| JIS B0 | 1030 × 1456 mm | 40.55 × 57.32 in |
| JIS B1 | 728 × 1030 mm | 28.66 × 40.55 in |
| JIS B2 | 515 × 728 mm | 20.28 × 28.66 in |
| JIS B4 | 257 × 364 mm | 10.12 × 14.33 in |
| JIS B5 | 182 × 257 mm | 7.17 × 10.12 in |
| JIS B6 | 128 × 182 mm | 5.04 × 7.17 in |
| JIS B7 | 91 × 128 mm | 3.58 × 5.04 in |
| JIS B8 | 64 × 91 mm | 2.52 × 3.58 in |
| JIS B9 | 45 × 64 mm | 1.77 × 2.52 in |
| JIS B10 | 32 × 45 mm | 1.26 × 1.77 in |
Frequently asked questions
What size is JIS B3 in mm?
364 × 515 mm.
What size is JIS B3 in inches?
14.33 × 20.28 inches.
What size is JIS B3 in pixels?
There is no single answer — it depends on resolution. At the print standard of 300 DPI it is 4299 × 6083 pixels; at 72 DPI it is only 1032 × 1460.