C6 vs Envelope No. 6 3/4

Q: Can I print C6 on Envelope No. 6 3/4?

Not at full size. Scale it to 80.8% and it fits inside Envelope No. 6 3/4 with 0 × 34.3 mm to spare.

	C6	Envelope No. 6 3/4
Millimetres	114 × 162	92.075 × 165.1
Inches	4.49 × 6.38	3.63 × 6.5
Centimetres	11.4 × 16.2	9.2 × 16.5
Aspect ratio	1:1.42	1:1.79
Area	184.7 cm²	152 cm²

Which is bigger

C6, by 21.5% in area. C6 is 21.9 mm wider than Envelope No. 6 3/4. Envelope No. 6 3/4 is 3.1 mm taller.

Printing one on the other

Neither sheet fits inside the other at full size: C6 is the wider of the two while Envelope No. 6 3/4 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
C6 artwork on Envelope No. 6 3/4 paper	80.8%	0 × 34.3 mm margin
Envelope No. 6 3/4 artwork on C6 paper	98.1%	23.7 × 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: C6 is 1:1.42 and Envelope No. 6 3/4 is 1:1.79. 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 34.3 mm of unwanted margin.

Frequently asked questions

What is the difference between C6 and Envelope No. 6 3/4?

C6 is 114 × 162 mm and Envelope No. 6 3/4 is 92.075 × 165.1 mm. C6 is the larger of the two by 21.5% in area.

Can I print C6 on Envelope No. 6 3/4?

Not at full size. Scale it to 80.8% and it fits inside Envelope No. 6 3/4 with 0 × 34.3 mm to spare.

Which is bigger, C6 or Envelope No. 6 3/4?

C6 — 114 × 162 mm against 92.075 × 165.1 mm, which is 21.5% more area.

Related comparisons

C6 in full · Envelope No. 6 3/4 in full · All size comparisons · All paper sizes