Junior Legal vs JIS B6

Q: Can I print Junior Legal on JIS B6?

Not at full size. Scale it to 89.6% and it fits inside JIS B6 with 14.2 × 0 mm to spare.

Q: Which is bigger, Junior Legal or JIS B6?

Junior Legal — 127 × 203.2 mm against 128 × 182 mm, which is 10.8% more area.

	Junior Legal	JIS B6
Millimetres	127 × 203.2	128 × 182
Inches	5 × 8	5.04 × 7.17
Centimetres	12.7 × 20.3	12.8 × 18.2
Aspect ratio	1:1.6	1:1.42
Area	258.1 cm²	233 cm²

Which is bigger

Junior Legal, by 10.8% in area. JIS B6 is 1 mm wider than Junior Legal. Junior Legal is 21.2 mm taller.

Printing one on the other

Neither sheet fits inside the other at full size: JIS B6 is the wider of the two while Junior Legal is the taller, so each overruns the other on one edge. Whichever way you go, something has to scale or crop.

You want	Set the print scale to	Leaves
Junior Legal artwork on JIS B6 paper	89.6%	14.2 × 0 mm margin
JIS B6 artwork on Junior Legal paper	99.2%	0 × 22.6 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: Junior Legal is 1:1.6 and JIS B6 is 1:1.42. 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 14.2 mm of unwanted margin.

Frequently asked questions

What is the difference between Junior Legal and JIS B6?

Junior Legal is 127 × 203.2 mm and JIS B6 is 128 × 182 mm. Junior Legal is the larger of the two by 10.8% in area.

Can I print Junior Legal on JIS B6?

Not at full size. Scale it to 89.6% and it fits inside JIS B6 with 14.2 × 0 mm to spare.

Which is bigger, Junior Legal or JIS B6?

Junior Legal — 127 × 203.2 mm against 128 × 182 mm, which is 10.8% more area.

Related comparisons

Junior Legal in full · JIS B6 in full · All size comparisons · All paper sizes