What Size Is No. 13 1/2 Paper?
No. 13 1/2, part of the Numbered / Announcement under the US Envelope Paper Sizes group, measures 330 x 254 mm, which is 33.0 x 25.4 cm or approximately 12.99 x 10.0 inches. It follows the US Envelope Standard specification and has an area of approximately 0.0838 m².
No. 13 1/2 Paper Size Dimensions & Conversions
No. 13 1/2 Dimensions in Different Units
| Unit | Width | Height |
|---|---|---|
| Millimeters | 330 mm | 254 mm |
| Centimeters | 33.0 cm | 25.4 cm |
| Inches | 12.99 in | 10.0 in |
| Feet | 1.08 ft | 0.83 ft |
| Meters | 0.33 m | 0.254 m |
| Points | 935 pt | 720 pt |
| Picas | 78.0 pc | 60.0 pc |
What Is No. 13 1/2 Paper Used For?
Mailing Correspondence
This envelope size is used for business mail, invitations, or announcements depending on its category.
Design and Layout
Designers and print professionals use No. 13 1/2 when a layout calls for this specific format.
Reproduction and Scaling
No. 13 1/2 can be scaled up or down to produce related sizes in the same series.
Presentations and Displays
No. 13 1/2 is suitable for boards, handouts, or displays sized to this format.
Archiving and Filing
Printed materials in No. 13 1/2 are stored and filed using standard folders sized for this format.
Digital Reference
No. 13 1/2 dimensions are used as a page-size preset in design and publishing software.