C10 size
C10: 2.8 × 4 cm. In inches this is about 1.102 × 1.575 in.
C10
C-series envelopes · Paper sizes
2.8 × 4 cm
Standard size (W × H)
Centimetres (cm)
2.8 × 4 cm
Millimetres (mm)
28 × 40 mm
Inches (in)
1.102 × 1.575 in
Area
11.2 cm²
Aspect ratio
1 : 1.4286
Width / height
28 / 40
Pixel size at different DPI
| DPI | Width (px) | Height (px) | Total pixels | Typical use |
|---|---|---|---|---|
| 72 DPI | 79 | 113 | 8,927 (0.0MP) | Screen display |
| 96 DPI | 106 | 151 | 16,006 (0.0MP) | Windows default |
| 150 DPI | 165 | 236 | 38,940 (0.0MP) | Standard print |
| 200 DPI | 220 | 315 | 69,300 (0.1MP) | Good print |
| 300 DPI | 331 | 472 | 156,232 (0.2MP) | High-quality print |
| 600 DPI | 661 | 945 | 624,645 (0.6MP) | Professional print |
C10 measures 2.8 × 4 cm (28 × 40 mm) and belongs to the C-series envelopes group. It is typically used for Envelopes and Cards and invitations.
C10 — C10 size
C10: 2.8 × 4 cm (28 × 40 mm). C-series envelopes.
In inches this is about 1.102 × 1.575 in. The footprint area is about 11.2 cm².
300 DPI: 331 × 472 px.
Common uses
C10 · FAQ
How big is C10?
C10: 2.8 × 4 cm (28 × 40 mm).
What is the area of C10?
The footprint area is about 11.2 cm².
Where is C10 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.