CE4 International Envelope Paper Sizes Dimensions

CE4
229 mm
310 mm

What Size Is CE4 Paper?

CE4, part of the C / E / S / X Series under the International Envelope Paper Sizes group, measures 229 x 310 mm, which is 22.9 x 31.0 cm or approximately 9.02 x 12.2 inches. It follows the ISO 269 specification and has an area of approximately 0.071 m².

CE4 Paper Size Dimensions & Conversions

Paper Series
C / E / S / X Series
Standard
ISO 269
Width
229 mm
Height
310 mm
Area
0.071 m²
Aspect Ratio
1:1.354
Previous Size
CE64
Next Size
EC45

CE4 Dimensions in Different Units

UnitWidthHeight
Millimeters 229 mm 310 mm
Centimeters 22.9 cm 31.0 cm
Inches 9.02 in 12.2 in
Feet 0.75 ft 1.02 ft
Meters 0.229 m 0.31 m
Points 649 pt 879 pt
Picas 54.1 pc 73.2 pc

What Is CE4 Paper Used For?

International Mailing

This ISO 269 envelope size is used across Europe and other ISO-standard regions for mailing paper documents.

Design and Layout

Designers and print professionals use CE4 when a layout calls for this specific format.

Reproduction and Scaling

CE4 can be scaled up or down to produce related sizes in the same series.

Presentations and Displays

CE4 is suitable for boards, handouts, or displays sized to this format.

Archiving and Filing

Printed materials in CE4 are stored and filed using standard folders sized for this format.

Digital Reference

CE4 dimensions are used as a page-size preset in design and publishing software.

Related C / E / S / X Series Sizes

Frequently Asked Questions

What is CE4 size in inches?
CE4 measures approximately 9.02 x 12.2 inches.
What is CE4 size in centimeters?
CE4 measures 22.9 x 31.0 cm.
What is CE4 size in millimeters?
CE4 measures 229 x 310 mm.
What is CE4 size in pixels?
At 300 DPI, CE4 is approximately 2706 x 3660 pixels.
Is CE4 bigger than EC45?
Yes. CE4 is larger in area than EC45 in the International Envelope Paper Sizes series.