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A6 vs A6 Envelope (US)

A6A6 Envelope (US)
Millimetres105 × 148120.65 × 165.1
Inches4.13 × 5.834.75 × 6.5
Centimetres10.5 × 14.812.1 × 16.5
Aspect ratio1:1.411:1.37
Area155.4 cm²199.2 cm²

Which is bigger

A6 Envelope (US), by 28.2% in area. A6 Envelope (US) is 15.7 mm wider than A6. A6 Envelope (US) is 17.1 mm taller.

Printing one on the other

A A6 page fits inside A6 Envelope (US) whole — print it at 100% and you get a 7.8 mm border down each side and 8.5 mm top and bottom.

You wantSet the print scale toLeaves
A6 artwork on A6 Envelope (US) paper111.6%3.5 × 0 mm margin
A6 Envelope (US) artwork on A6 paper87%0 × 4.3 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: A6 is 1:1.41 and A6 Envelope (US) is 1:1.37. 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 3.5 mm of unwanted margin.

Frequently asked questions

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

A6 is 105 × 148 mm and A6 Envelope (US) is 120.65 × 165.1 mm. A6 Envelope (US) is the larger of the two by 28.2% in area.

Can I print A6 on A6 Envelope (US)?

Yes, at 100% — A6 is smaller on both edges, so it lands inside A6 Envelope (US) with a border all round.

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

A6 Envelope (US) — 120.65 × 165.1 mm against 105 × 148 mm, which is 28.2% more area.

Related comparisons

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