A0 vs JIS B1
| A0 | JIS B1 | |
|---|---|---|
| Millimetres | 841 × 1189 | 728 × 1030 |
| Inches | 33.11 × 46.81 | 28.66 × 40.55 |
| Centimetres | 84.1 × 118.9 | 72.8 × 103 |
| Aspect ratio | 1:1.41 | 1:1.41 |
| Area | 9999.5 cm² | 7498.4 cm² |
Which is bigger
A0, by 33.4% in area. A0 is 113 mm wider than JIS B1. A0 is 159 mm taller.
Printing one on the other
A JIS B1 page fits inside A0 whole — print it at 100% and you get a 56.5 mm border down each side and 79.5 mm top and bottom.
| You want | Set the print scale to | Leaves |
|---|---|---|
| A0 artwork on JIS B1 paper | 86.6% | 0 × 0.8 mm margin |
| JIS B1 artwork on A0 paper | 115.4% | 0.6 × 0 mm margin |
These are the numbers for the "custom scale" box in a print dialog. "Fit to page" computes the same thing, but knowing the figure tells you in advance whether the result will look deliberate or accidental.
Why the shapes matter
Both sheets have the same 1:1.41 proportions, so artwork scales between them without any cropping or extra margin — only the size changes.
Frequently asked questions
What is the difference between A0 and JIS B1?
A0 is 841 × 1189 mm and JIS B1 is 728 × 1030 mm. A0 is the larger of the two by 33.4% in area.
Can I print A0 on JIS B1?
Not at full size. Scale it to 86.6% and it fits inside JIS B1 with 0 × 0.8 mm to spare.
Which is bigger, A0 or JIS B1?
A0 — 841 × 1189 mm against 728 × 1030 mm, which is 33.4% more area.
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A0 in full · JIS B1 in full · All size comparisons · All paper sizes