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A6 vs A1 Envelope (US)

A6A1 Envelope (US)
Millimetres105 × 14892.075 × 130.175
Inches4.13 × 5.833.63 × 5.13
Centimetres10.5 × 14.89.2 × 13
Aspect ratio1:1.411:1.41
Area155.4 cm²119.9 cm²

Which is bigger

A6, by 29.7% in area. A6 is 12.9 mm wider than A1 Envelope (US). A6 is 17.8 mm taller.

Printing one on the other

A A1 Envelope (US) page fits inside A6 whole — print it at 100% and you get a 6.5 mm border down each side and 8.9 mm top and bottom.

You wantSet the print scale toLeaves
A6 artwork on A1 Envelope (US) paper87.7%0 × 0.4 mm margin
A1 Envelope (US) artwork on A6 paper113.7%0.3 × 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

Both sheets have the same 1:1.41 proportions, so artwork scales between them without any cropping or extra margin — only the size changes.

Frequently asked questions

What is the difference between A6 and A1 Envelope (US)?

A6 is 105 × 148 mm and A1 Envelope (US) is 92.075 × 130.175 mm. A6 is the larger of the two by 29.7% in area.

Can I print A6 on A1 Envelope (US)?

Not at full size. Scale it to 87.7% and it fits inside A1 Envelope (US) with 0 × 0.4 mm to spare.

Which is bigger, A6 or A1 Envelope (US)?

A6 — 105 × 148 mm against 92.075 × 130.175 mm, which is 29.7% more area.

Related comparisons

A6 in full · A1 Envelope (US) in full · All size comparisons · All paper sizes