What Size Is No. 1 Paper?
No. 1, part of the Numbered / Announcement under the US Envelope Paper Sizes group, measures 229 x 152 mm, which is 22.9 x 15.2 cm or approximately 9.02 x 5.98 inches. It follows the US Envelope Standard specification and has an area of approximately 0.0348 m².
No. 1 Paper Size Dimensions & Conversions
No. 1 Dimensions in Different Units
| Unit | Width | Height |
|---|---|---|
| Millimeters | 229 mm | 152 mm |
| Centimeters | 22.9 cm | 15.2 cm |
| Inches | 9.02 in | 5.98 in |
| Feet | 0.75 ft | 0.5 ft |
| Meters | 0.229 m | 0.152 m |
| Points | 649 pt | 431 pt |
| Picas | 54.1 pc | 35.9 pc |
What Is No. 1 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. 1 when a layout calls for this specific format.
Reproduction and Scaling
No. 1 can be scaled up or down to produce related sizes in the same series.
Presentations and Displays
No. 1 is suitable for boards, handouts, or displays sized to this format.
Archiving and Filing
Printed materials in No. 1 are stored and filed using standard folders sized for this format.
Digital Reference
No. 1 dimensions are used as a page-size preset in design and publishing software.