Toolman

C4 vs Photo 8×10

C4Photo 8×10
Millimetres229 × 324203.2 × 254
Inches9.02 × 12.768 × 10
Centimetres22.9 × 32.420.3 × 25.4
Aspect ratio1:1.411:1.25
Area742 cm²516.1 cm²

Which is bigger

C4, by 43.8% in area. C4 is 25.8 mm wider than Photo 8×10. C4 is 70 mm taller.

Printing one on the other

A Photo 8×10 page fits inside C4 whole — print it at 100% and you get a 12.9 mm border down each side and 35 mm top and bottom.

You wantSet the print scale toLeaves
C4 artwork on Photo 8×10 paper78.4%23.7 × 0 mm margin
Photo 8×10 artwork on C4 paper112.7%0 × 37.8 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: C4 is 1:1.41 and Photo 8×10 is 1:1.25. 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 23.7 mm of unwanted margin.

Frequently asked questions

What is the difference between C4 and Photo 8×10?

C4 is 229 × 324 mm and Photo 8×10 is 203.2 × 254 mm. C4 is the larger of the two by 43.8% in area.

Can I print C4 on Photo 8×10?

Not at full size. Scale it to 78.4% and it fits inside Photo 8×10 with 23.7 × 0 mm to spare.

Which is bigger, C4 or Photo 8×10?

C4 — 229 × 324 mm against 203.2 × 254 mm, which is 43.8% more area.

C4 in full · Photo 8×10 in full · All size comparisons · All paper sizes