C5 vs A8 Envelope (US)

Q: Can I print C5 on A8 Envelope (US)?

Not at full size. Scale it to 86.2% and it fits inside A8 Envelope (US) with 0 × 8.9 mm to spare.

	C5	A8 Envelope (US)
Millimetres	162 × 229	139.7 × 206.375
Inches	6.38 × 9.02	5.5 × 8.13
Centimetres	16.2 × 22.9	14 × 20.6
Aspect ratio	1:1.41	1:1.48
Area	371 cm²	288.3 cm²

Which is bigger

C5, by 28.7% in area. C5 is 22.3 mm wider than A8 Envelope (US). C5 is 22.6 mm taller.

Printing one on the other

A A8 Envelope (US) page fits inside C5 whole — print it at 100% and you get a 11.2 mm border down each side and 11.3 mm top and bottom.

You want	Set the print scale to	Leaves
C5 artwork on A8 Envelope (US) paper	86.2%	0 × 8.9 mm margin
A8 Envelope (US) artwork on C5 paper	111%	7 × 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 A8 Envelope (US) is 1:1.48. 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 8.9 mm of unwanted margin.

Frequently asked questions

What is the difference between C5 and A8 Envelope (US)?

C5 is 162 × 229 mm and A8 Envelope (US) is 139.7 × 206.375 mm. C5 is the larger of the two by 28.7% in area.

Can I print C5 on A8 Envelope (US)?

Not at full size. Scale it to 86.2% and it fits inside A8 Envelope (US) with 0 × 8.9 mm to spare.

Which is bigger, C5 or A8 Envelope (US)?

C5 — 162 × 229 mm against 139.7 × 206.375 mm, which is 28.7% more area.

Related comparisons

C5 in full · A8 Envelope (US) in full · All size comparisons · All paper sizes