What Size Is No. 3 Paper?
No. 3, part of the Numbered / Announcement under the US Envelope Paper Sizes group, measures 254 x 178 mm, which is 25.4 x 17.8 cm or approximately 10.0 x 7.01 inches. It follows the US Envelope Standard specification and has an area of approximately 0.0452 m².
No. 3 Paper Size Dimensions & Conversions
No. 3 Dimensions in Different Units
| Unit | Width | Height |
|---|---|---|
| Millimeters | 254 mm | 178 mm |
| Centimeters | 25.4 cm | 17.8 cm |
| Inches | 10.0 in | 7.01 in |
| Feet | 0.83 ft | 0.58 ft |
| Meters | 0.254 m | 0.178 m |
| Points | 720 pt | 505 pt |
| Picas | 60.0 pc | 42.0 pc |
What Is No. 3 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. 3 when a layout calls for this specific format.
Reproduction and Scaling
No. 3 can be scaled up or down to produce related sizes in the same series.
Presentations and Displays
No. 3 is suitable for boards, handouts, or displays sized to this format.
Archiving and Filing
Printed materials in No. 3 are stored and filed using standard folders sized for this format.
Digital Reference
No. 3 dimensions are used as a page-size preset in design and publishing software.