A4
210 mm
297 mm
What Size Is A4 Paper?
A4, part of the A Series under the A Paper Sizes group, measures 210 x 297 mm, which is 21.0 x 29.7 cm or approximately 8.27 x 11.69 inches. It follows the ISO 216 specification and has an area of approximately 0.0624 m².
A4 Paper Size Dimensions & Conversions
Paper Series
A Series
Standard
ISO 216
Width
210 mm
Height
297 mm
Area
0.0624 m²
Aspect Ratio
1:1.414
Previous Size
A3
Next Size
A5
A4 Dimensions in Different Units
| Unit | Width | Height |
|---|---|---|
| Millimeters | 210 mm | 297 mm |
| Centimeters | 21.0 cm | 29.7 cm |
| Inches | 8.27 in | 11.69 in |
| Feet | 0.69 ft | 0.97 ft |
| Meters | 0.21 m | 0.297 m |
| Points | 595 pt | 842 pt |
| Picas | 49.6 pc | 70.2 pc |
What Is A4 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 A4 when a layout calls for this specific format.
Reproduction and Scaling
A4 can be scaled up or down to produce related sizes in the same series.
Presentations and Displays
A4 is suitable for boards, handouts, or displays sized to this format.
Archiving and Filing
Printed materials in A4 are stored and filed using standard folders sized for this format.
Digital Reference
A4 dimensions are used as a page-size preset in design and publishing software.
Related A Series Sizes
Frequently Asked Questions
What is A4 size in inches?
A4 measures approximately 8.27 x 11.69 inches.
What is A4 size in centimeters?
A4 measures 21.0 x 29.7 cm.
What is A4 size in millimeters?
A4 measures 210 x 297 mm.
What is A4 size in pixels?
At 300 DPI, A4 is approximately 2481 x 3507 pixels.
Is A4 bigger than A5?
Yes. A4 is larger in area than A5 in the A Paper Sizes series.