Photo 5×7 vs A8 Envelope (US)

Q: Which is bigger, Photo 5×7 or A8 Envelope (US)?

A8 Envelope (US) — 139.7 × 206.375 mm against 127 × 177.8 mm, which is 27.7% more area.

	Photo 5×7	A8 Envelope (US)
Millimetres	127 × 177.8	139.7 × 206.375
Inches	5 × 7	5.5 × 8.13
Centimetres	12.7 × 17.8	14 × 20.6
Aspect ratio	1:1.4	1:1.48
Area	225.8 cm²	288.3 cm²

Which is bigger

A8 Envelope (US), by 27.7% in area. A8 Envelope (US) is 12.7 mm wider than Photo 5×7. A8 Envelope (US) is 28.6 mm taller.

Printing one on the other

A Photo 5×7 page fits inside A8 Envelope (US) whole — print it at 100% and you get a 6.3 mm border down each side and 14.3 mm top and bottom.

You want	Set the print scale to	Leaves
Photo 5×7 artwork on A8 Envelope (US) paper	110%	0 × 10.8 mm margin
A8 Envelope (US) artwork on Photo 5×7 paper	86.2%	6.6 × 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: Photo 5×7 is 1:1.4 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 10.8 mm of unwanted margin.

Frequently asked questions

What is the difference between Photo 5×7 and A8 Envelope (US)?

Photo 5×7 is 127 × 177.8 mm and A8 Envelope (US) is 139.7 × 206.375 mm. A8 Envelope (US) is the larger of the two by 27.7% in area.

Can I print Photo 5×7 on A8 Envelope (US)?

Yes, at 100% — Photo 5×7 is smaller on both edges, so it lands inside A8 Envelope (US) with a border all round.

Which is bigger, Photo 5×7 or A8 Envelope (US)?

A8 Envelope (US) — 139.7 × 206.375 mm against 127 × 177.8 mm, which is 27.7% more area.

Related comparisons

Photo 5×7 in full · A8 Envelope (US) in full · All size comparisons · All paper sizes