What Size Is B4 Paper?
B4, part of the C / E / S / X Series under the International Envelope Paper Sizes group, measures 250 x 353 mm, which is 25.0 x 35.3 cm or approximately 9.84 x 13.9 inches. It follows the ISO 269 specification and has an area of approximately 0.0882 m².
B4 Paper Size Dimensions & Conversions
B4 Dimensions in Different Units
| Unit | Width | Height |
|---|---|---|
| Millimeters | 250 mm | 353 mm |
| Centimeters | 25.0 cm | 35.3 cm |
| Inches | 9.84 in | 13.9 in |
| Feet | 0.82 ft | 1.16 ft |
| Meters | 0.25 m | 0.353 m |
| Points | 709 pt | 1001 pt |
| Picas | 59.1 pc | 83.4 pc |
What Is B4 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 B4 when a layout calls for this specific format.
Reproduction and Scaling
B4 can be scaled up or down to produce related sizes in the same series.
Presentations and Displays
B4 is suitable for boards, handouts, or displays sized to this format.
Archiving and Filing
Printed materials in B4 are stored and filed using standard folders sized for this format.
Digital Reference
B4 dimensions are used as a page-size preset in design and publishing software.