A9
37 mm
52 mm
What Size Is A9 Paper?
A9, part of the A Series under the A Paper Sizes group, measures 37 x 52 mm, which is 3.7 x 5.2 cm or approximately 1.46 x 2.05 inches. It follows the ISO 216 specification and has an area of approximately 19.2 cm².
A9 Paper Size Dimensions & Conversions
Paper Series
A Series
Standard
ISO 216
Width
37 mm
Height
52 mm
Area
19.2 cm²
Aspect Ratio
1:1.405
Previous Size
A8
Next Size
A10
A9 Dimensions in Different Units
| Unit | Width | Height |
|---|---|---|
| Millimeters | 37 mm | 52 mm |
| Centimeters | 3.7 cm | 5.2 cm |
| Inches | 1.46 in | 2.05 in |
| Feet | 0.12 ft | 0.17 ft |
| Meters | 0.037 m | 0.052 m |
| Points | 105 pt | 147 pt |
| Picas | 8.7 pc | 12.3 pc |
What Is A9 Paper Used For?
Printing
This size is widely used for everyday document printing, reports, and office correspondence.
Design and Layout
Designers and print professionals use A9 when a layout calls for this specific format.
Reproduction and Scaling
A9 can be scaled up or down to produce related sizes in the same series.
Presentations and Displays
A9 is suitable for boards, handouts, or displays sized to this format.
Archiving and Filing
Printed materials in A9 are stored and filed using standard folders sized for this format.
Digital Reference
A9 dimensions are used as a page-size preset in design and publishing software.
Related A Series Sizes
Frequently Asked Questions
What is A9 size in inches?
A9 measures approximately 1.46 x 2.05 inches.
What is A9 size in centimeters?
A9 measures 3.7 x 5.2 cm.
What is A9 size in millimeters?
A9 measures 37 x 52 mm.
What is A9 size in pixels?
At 300 DPI, A9 is approximately 438 x 615 pixels.
Is A9 bigger than A10?
Yes. A9 is larger in area than A10 in the A Paper Sizes series.