ARCH D vs JIS B1
| ARCH D | JIS B1 | |
|---|---|---|
| Millimetres | 609.6 × 914.4 | 728 × 1030 |
| Inches | 24 × 36 | 28.66 × 40.55 |
| Centimetres | 61 × 91.4 | 72.8 × 103 |
| Aspect ratio | 1:1.5 | 1:1.41 |
| Area | 5574.2 cm² | 7498.4 cm² |
Which is bigger
JIS B1, by 34.5% in area. JIS B1 is 118.4 mm wider than ARCH D. JIS B1 is 115.6 mm taller.
Printing one on the other
A ARCH D page fits inside JIS B1 whole — print it at 100% and you get a 59.2 mm border down each side and 57.8 mm top and bottom.
| You want | Set the print scale to | Leaves |
|---|---|---|
| ARCH D artwork on JIS B1 paper | 112.6% | 41.3 × 0 mm margin |
| JIS B1 artwork on ARCH D paper | 83.7% | 0 × 51.9 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
The proportions differ: ARCH D is 1:1.5 and JIS B1 is 1:1.41. That difference is why a layout moved between them never quite lines up — scale it to fit one edge and the other is left with 41.3 mm of unwanted margin.
Frequently asked questions
What is the difference between ARCH D and JIS B1?
ARCH D is 609.6 × 914.4 mm and JIS B1 is 728 × 1030 mm. JIS B1 is the larger of the two by 34.5% in area.
Can I print ARCH D on JIS B1?
Yes, at 100% — ARCH D is smaller on both edges, so it lands inside JIS B1 with a border all round.
Which is bigger, ARCH D or JIS B1?
JIS B1 — 728 × 1030 mm against 609.6 × 914.4 mm, which is 34.5% more area.
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ARCH D in full · JIS B1 in full · All size comparisons · All paper sizes