What size is a C8 envelope?
C8 measures 57 × 81 mm, or 2.24 × 3.19 inches.
C8 dimensions
Portrait
57 × 81 mm
- Millimetres
- 57 × 81 mm
- Centimetres
- 5.7 × 8.1 cm
- Inches
- 2.24 × 3.19 in
- Points
- 162 × 230 pt
- Picas
- 13.5 × 19.1 pc
- Pixels · 72 PPI
- 162 × 230 px at 72 PPI
- Pixels · 150 PPI
- 337 × 478 px at 150 PPI
- Pixels · 300 PPI
- 673 × 957 px at 300 PPI
How C8 fits
A C8 envelope is proportioned to contain an unfolded A8 sheet.
The diagram is illustrative; the written dimensions above are authoritative.
Common uses
- Mailing A8 documents
- Enclosures and presentation packs
Questions about C8
What is C8 in pixels at 300 DPI?
For image setup, C8 is 673 × 957 pixels at 300 PPI. DPI describes printer dots; PPI is the technically correct measure for an image file.
Which paper size fits a C8 envelope?
A C8 envelope holds an unfolded A8 sheet.
Can a C8 envelope be used landscape?
Yes. Rotate the envelope to 81 × 57 mm.
What is C8 commonly used for?
Common uses include mailing a8 documents and enclosures and presentation packs.