C3 size
C3: 32.4 × 45.8 cm. In inches this is about 12.756 × 18.031 in.
C3
C-series envelopes · Paper sizes
32.4 × 45.8 cm
Standard size (W × H)
Centimetres (cm)
32.4 × 45.8 cm
Millimetres (mm)
324 × 458 mm
Inches (in)
12.756 × 18.031 in
Area
1,483.92 cm²
Aspect ratio
1 : 1.4136
Width / height
324 / 458
Pixel size at different DPI
| DPI | Width (px) | Height (px) | Total pixels | Typical use |
|---|---|---|---|---|
| 72 DPI | 918 | 1,298 | 1,191,564 (1.2MP) | Screen display |
| 96 DPI | 1,225 | 1,731 | 2,120,475 (2.1MP) | Windows default |
| 150 DPI | 1,913 | 2,705 | 5,174,665 (5.2MP) | Standard print |
| 200 DPI | 2,551 | 3,606 | 9,198,906 (9.2MP) | Good print |
| 300 DPI | 3,827 | 5,409 | 20,700,243 (21MP) | High-quality print |
| 600 DPI | 7,654 | 10,819 | 82,808,626 (83MP) | Professional print |
C3 measures 32.4 × 45.8 cm (324 × 458 mm) and belongs to the C-series envelopes group. It is typically used for Envelopes and Cards and invitations.
C3 — C3 size
C3: 32.4 × 45.8 cm (324 × 458 mm). C-series envelopes.
In inches this is about 12.756 × 18.031 in. The footprint area is about 1,483.92 cm².
300 DPI: 3,827 × 5,409 px.
Common uses
C3 · FAQ
How big is C3?
C3: 32.4 × 45.8 cm (324 × 458 mm).
What is the area of C3?
The footprint area is about 1,483.92 cm².
Where is C3 used?
Typical uses include Envelopes, Cards and invitations, Mailings.
Tip: leave a small tolerance when printing or installing; allow 3 mm bleed on each side for print artwork.