Standard reference size
A4 Paper
Standard A4 paper size — the most common paper format worldwide.
- Dimensions
- 210 × 297 mm
- Aspect ratio
- 1:1.414
- Orientation
- portrait
1:1.414
Copy and use
Dimensions
210 × 297Ratio
1:1.414CSS
aspect-ratio: 1 / 1.414;Common uses
- Documents
- Letters
- Reports
- Flyers
Source and status
Standard reference size
No fixed official platform requirement is claimed for this working size.