C4
229 mm
324 mm
What Size Is C4 Paper?
C4, part of the C Series under the C Envelope Paper Sizes group, measures 229 x 324 mm, which is 22.9 x 32.4 cm or approximately 9.02 x 12.76 inches. It follows the ISO 269 specification and has an area of approximately 0.0742 m².
C4 Paper Size Dimensions & Conversions
Paper Series
C Series
Standard
ISO 269
Width
229 mm
Height
324 mm
Area
0.0742 m²
Aspect Ratio
1:1.415
Previous Size
C3
Next Size
C5
C4 Dimensions in Different Units
| Unit | Width | Height |
|---|---|---|
| Millimeters | 229 mm | 324 mm |
| Centimeters | 22.9 cm | 32.4 cm |
| Inches | 9.02 in | 12.76 in |
| Feet | 0.75 ft | 1.06 ft |
| Meters | 0.229 m | 0.324 m |
| Points | 649 pt | 918 pt |
| Picas | 54.1 pc | 76.5 pc |
What Is C4 Paper Used For?
Mailing Documents
This C-series envelope size is designed to hold its matching A-series paper size without folding.
Design and Layout
Designers and print professionals use C4 when a layout calls for this specific format.
Reproduction and Scaling
C4 can be scaled up or down to produce related sizes in the same series.
Presentations and Displays
C4 is suitable for boards, handouts, or displays sized to this format.
Archiving and Filing
Printed materials in C4 are stored and filed using standard folders sized for this format.
Digital Reference
C4 dimensions are used as a page-size preset in design and publishing software.
Related C Series Sizes
Frequently Asked Questions
What is C4 size in inches?
C4 measures approximately 9.02 x 12.76 inches.
What is C4 size in centimeters?
C4 measures 22.9 x 32.4 cm.
What is C4 size in millimeters?
C4 measures 229 x 324 mm.
What is C4 size in pixels?
At 300 DPI, C4 is approximately 2706 x 3828 pixels.
Is C4 bigger than C5?
Yes. C4 is larger in area than C5 in the C Envelope Paper Sizes series.