Photo 4×6 vs A2 Envelope (US)
| Photo 4×6 | A2 Envelope (US) | |
|---|---|---|
| Millimetres | 101.6 × 152.4 | 111.125 × 146.05 |
| Inches | 4 × 6 | 4.38 × 5.75 |
| Centimetres | 10.2 × 15.2 | 11.1 × 14.6 |
| Aspect ratio | 1:1.5 | 1:1.31 |
| Area | 154.8 cm² | 162.3 cm² |
Which is bigger
A2 Envelope (US), by 4.8% in area. A2 Envelope (US) is 9.5 mm wider than Photo 4×6. Photo 4×6 is 6.3 mm taller.
Printing one on the other
Neither sheet fits inside the other at full size: A2 Envelope (US) is the wider of the two while Photo 4×6 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 |
|---|---|---|
| Photo 4×6 artwork on A2 Envelope (US) paper | 95.8% | 13.8 × 0 mm margin |
| A2 Envelope (US) artwork on Photo 4×6 paper | 91.4% | 0 × 18.9 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 4×6 is 1:1.5 and A2 Envelope (US) is 1:1.31. 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 13.8 mm of unwanted margin.
Frequently asked questions
What is the difference between Photo 4×6 and A2 Envelope (US)?
Photo 4×6 is 101.6 × 152.4 mm and A2 Envelope (US) is 111.125 × 146.05 mm. A2 Envelope (US) is the larger of the two by 4.8% in area.
Can I print Photo 4×6 on A2 Envelope (US)?
Not at full size. Scale it to 95.8% and it fits inside A2 Envelope (US) with 13.8 × 0 mm to spare.
Which is bigger, Photo 4×6 or A2 Envelope (US)?
A2 Envelope (US) — 111.125 × 146.05 mm against 101.6 × 152.4 mm, which is 4.8% more area.
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Photo 4×6 in full · A2 Envelope (US) in full · All size comparisons · All paper sizes