JIS B2 paper size
515 × 728 mm
20.28 × 28.66 inches · 51.5 × 72.8 cm · aspect ratio 1:1.41
JIS B2 size is 515 × 728 mm. Those are the JIS B2 dimensions a printer works to; the same sheet in centimetres, inches, points and pixels is below.
What JIS B2 is for
JIS B2 is 515 × 728 mm. A poster and display size in Japan, between A1 and A2 in area. Printers outside Japan will usually quote ISO B2 if you ask for "B2" without saying which standard.
JIS B2 dimensions in every unit
| Unit | Width | Height |
|---|---|---|
| Millimetres | 515 mm | 728 mm |
| Centimetres | 51.5 cm | 72.8 cm |
| Inches | 20.28 in | 28.66 in |
| Points (PostScript) | 1460 pt | 2064 pt |
JIS B2 in pixels
Pixel dimensions depend entirely on the resolution you are working at — there is no single "pixel size" for a sheet of paper. JIS B2 size in pixels has every resolution, with file sizes and canvas setup.
| Resolution | Pixels | Use |
|---|---|---|
| 72 DPI | 1460 × 2064 | Screen preview only — far too coarse to print |
| 150 DPI | 3041 × 4299 | Draft printing, internal documents |
| 300 DPI | 6083 × 8598 | The standard for commercial print |
| 600 DPI | 12165 × 17197 | 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 B2 relates to the rest of the series
JIS B0 is defined as 1.5 square metres, where ISO A0 is one. JIS B2 is that sheet halved 2 times, so its area is 0.375 m² and 4 of them tile one JIS B0.
That 1.5 against 1 is why the series exists: at 515 × 728 mm, JIS B2 is about 22% longer on each edge than A2 (420 × 594 mm), filling the gap the A series leaves between one size and the next.
It is not the same sheet as ISO B2, which is 500 × 707 mm. The two standards share every name in the series and agree on none of the sizes, so a tray, binder or sleeve cut for one will not take the other. Ask a printer for "B2" outside Japan and you will get the ISO sheet.
Scaling between neighbouring JIS B sizes is the same √2 as the A series — 141% up, 71% down — because JIS B is built by halving too. Only the starting area differs.
About JIS B2
JIS B2 is 515 × 728 mm, the Japanese B series size, which is not the same as ISO B2.
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 B3 | 364 × 515 mm | 14.33 × 20.28 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 B2 in mm?
515 × 728 mm.
What size is JIS B2 in inches?
20.28 × 28.66 inches.
What size is JIS B2 in pixels?
There is no single answer — it depends on resolution. At the print standard of 300 DPI it is 6083 × 8598 pixels; at 72 DPI it is only 1460 × 2064.