C2 vs C3
C2 is the larger of the two at the same 1 : √2 shape, one halving apart, so one scales onto the other with nothing cropped: 141% up, 71% down.
Compare a Different Pair
C2 and C3, Side by Side
| C2 | C3 | Difference | |
|---|---|---|---|
| Millimetres | 458 × 648 | 324 × 458 | 134 × 190 mm |
| Inches | 18.03 × 25.51 | 12.76 × 18.03 | 5.28 × 7.48 in |
| Centimetres | 45.8 × 64.8 | 32.4 × 45.8 | |
| Area | 0.297 m², 296,784 mm² | 0.148 m², 148,392 mm² | 2× |
| Aspect ratio | 1 : 1.415 (√2) | 1 : 1.414 (√2) | same |
What Is Lost Printing One on the Other
At 100% scale, both centred, nothing resized. A positive figure on the wider or taller side is cropped; on the other it is a blank margin.
| Axis | Gap | C2 onto C3 | C3 onto C2 |
|---|---|---|---|
| Width | 67 mm (2.64 in) each side | C2 loses it | blank band |
| Height | 95 mm (3.74 in) each end | C2 loses it | blank band |
Scale-to-Fit Percentages
The figure to type into a printer or PDF dialog to scale one to fit inside the other:
| C3 to fit C2 | 141% | fills the sheet, nothing cropped |
|---|---|---|
| C2 to fit C3 | 71% | fills the sheet, nothing cropped |
Both are one halving apart on the 1 : √2 series, so these are the copier presets and nothing is distorted or lost.
Frequently Asked Questions
Is C2 bigger than C3?
C2 is bigger. It is 458 × 648 mm against 324 × 458 mm for C3, about 2 times the area.
What is the difference between C2 and C3?
C2 is the larger of the two at the same 1 : √2 shape, one halving apart, so one scales onto the other with nothing cropped: 141% up, 71% down.
Can you print C3 on C2?
Yes, cleanly. Set the printer to scale C3 to 141% and it fills C2 edge to edge with nothing lost.
✓ Dimensions per the standards on the C2 and C3 pages. Differences and scale factors computed. Reviewed . Editorial Process →