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C5 vs A10 Envelope (US)

C5A10 Envelope (US)
Millimetres162 × 229152.4 × 241.3
Inches6.38 × 9.026 × 9.5
Centimetres16.2 × 22.915.2 × 24.1
Aspect ratio1:1.411:1.58
Area371 cm²367.7 cm²

Which is bigger

C5, by 0.9% in area. C5 is 9.6 mm wider than A10 Envelope (US). A10 Envelope (US) is 12.3 mm taller.

Printing one on the other

Neither sheet fits inside the other at full size: C5 is the wider of the two while A10 Envelope (US) is the taller, so each overruns the other on one edge. Whichever way you go, something has to scale or crop.

You wantSet the print scale toLeaves
C5 artwork on A10 Envelope (US) paper94.1%0 × 25.9 mm margin
A10 Envelope (US) artwork on C5 paper94.9%17.4 × 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 A10 Envelope (US) is 1:1.58. 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 25.9 mm of unwanted margin.

Frequently asked questions

What is the difference between C5 and A10 Envelope (US)?

C5 is 162 × 229 mm and A10 Envelope (US) is 152.4 × 241.3 mm. C5 is the larger of the two by 0.9% in area.

Can I print C5 on A10 Envelope (US)?

Not at full size. Scale it to 94.1% and it fits inside A10 Envelope (US) with 0 × 25.9 mm to spare.

Which is bigger, C5 or A10 Envelope (US)?

C5 — 162 × 229 mm against 152.4 × 241.3 mm, which is 0.9% more area.

Related comparisons

C5 in full · A10 Envelope (US) in full · All size comparisons · All paper sizes