C4 envelope size
C4 envelope
229 × 324 mm
229 × 324 mm — holds A4 unfolded.
Takes an unfolded A4 sheet. The C series is sized to hold the corresponding A size with a few millimetres to spare, and each C size in turn fits inside the B size of the same number — so A4 fits C4 fits B4.
The numbers
- Millimetres
- 229 × 324
- Centimetres
- 22.9 × 32.4
- Inches
- 9.02 × 12.76
- Aspect ratio
- 1.4148 : 1
- Area
- 0.0742 m²
- Defined by
- ISO 269
Envelope sizes
| Size | Millimetres | Inches |
|---|---|---|
| C4 envelope ← | 229 × 324 mm | 9.02 × 12.76 |
| C5 envelope | 162 × 229 mm | 6.38 × 9.02 |
| DL envelope | 220 × 110 mm | 8.66 × 4.33 |
Common questions
- What size is C4 envelope?
- 229 × 324 mm — holds A4 unfolded.
- Which standard defines C4 envelope?
- ISO 269
Related pages
- DL envelope size 220 × 110 mm
- C5 envelope size 162 × 229 mm
Sources
- Official vendor product documentation — At One Place