C5 vs A9 Envelope (US)

Q: Can I print C5 on A9 Envelope (US)?

Not at full size. Scale it to 90.2% and it fits inside A9 Envelope (US) with 0 × 15.8 mm to spare.

	C5	A9 Envelope (US)
Millimetres	162 × 229	146.05 × 222.25
Inches	6.38 × 9.02	5.75 × 8.75
Centimetres	16.2 × 22.9	14.6 × 22.2
Aspect ratio	1:1.41	1:1.52
Area	371 cm²	324.6 cm²

Which is bigger

C5, by 14.3% in area. C5 is 15.9 mm wider than A9 Envelope (US). C5 is 6.8 mm taller.

Printing one on the other

A A9 Envelope (US) page fits inside C5 whole — print it at 100% and you get a 8 mm border down each side and 3.4 mm top and bottom.

You want	Set the print scale to	Leaves
C5 artwork on A9 Envelope (US) paper	90.2%	0 × 15.8 mm margin
A9 Envelope (US) artwork on C5 paper	103%	11.5 × 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

The proportions differ: C5 is 1:1.41 and A9 Envelope (US) is 1:1.52. 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 15.8 mm of unwanted margin.

Frequently asked questions

What is the difference between C5 and A9 Envelope (US)?

C5 is 162 × 229 mm and A9 Envelope (US) is 146.05 × 222.25 mm. C5 is the larger of the two by 14.3% in area.

Can I print C5 on A9 Envelope (US)?

Not at full size. Scale it to 90.2% and it fits inside A9 Envelope (US) with 0 × 15.8 mm to spare.

Which is bigger, C5 or A9 Envelope (US)?

C5 — 162 × 229 mm against 146.05 × 222.25 mm, which is 14.3% more area.

Related comparisons

C5 in full · A9 Envelope (US) in full · All size comparisons · All paper sizes