A4 size in cm, mm, inches and pixels
Updated 1 November 2026
Quick answer: A4 size is 21 cm × 29.7 cm (210 × 297 mm), which is 8.27 × 11.69 inches. It is the standard paper size for documents in India and most of the world. At 300 DPI an A4 page is 2480 × 3508 pixels.
A4 paper size in every unit
| Unit | Width × height |
|---|---|
| Centimetres (cm) | 21 × 29.7 cm |
| Millimetres (mm) | 210 × 297 mm |
| Inches (in) | 8.27 × 11.69 in |
| Points (PDF, 72 per inch) | 595 × 842 pt |
| Area | 623.7 cm² (1/16 of a square metre) |
A4 size in pixels
Pixels depend on resolution (DPI, dots per inch). For anything you want to print, design at 300 DPI.
| Resolution | A4 in pixels | Use it for |
|---|---|---|
| 72 DPI | 595 × 842 px | PDF page size in points, web previews |
| 96 DPI | 794 × 1123 px | Screen design (Canva, Figma, CSS) |
| 150 DPI | 1240 × 1754 px | Draft prints |
| 300 DPI | 2480 × 3508 px | Sharp print quality (recommended) |
A series paper size chart (cm, mm, inches)
Every A size is half of the size above it: fold A3 in half and you get two A4 sheets, fold A4 in half and you get two A5 sheets. The ratio of height to width is always √2 (about 1.414), so a page can be scaled from one A size to another without cropping.
| Size | Centimetres | Millimetres | Inches |
|---|---|---|---|
| A0 | 84.1 × 118.9 cm | 841 × 1189 mm | 33.11 × 46.81 in |
| A1 | 59.4 × 84.1 cm | 594 × 841 mm | 23.39 × 33.11 in |
| A2 | 42 × 59.4 cm | 420 × 594 mm | 16.54 × 23.39 in |
| A3 | 29.7 × 42 cm | 297 × 420 mm | 11.69 × 16.54 in |
| A4 | 21 × 29.7 cm | 210 × 297 mm | 8.27 × 11.69 in |
| A5 | 14.8 × 21 cm | 148 × 210 mm | 5.83 × 8.27 in |
| A6 | 10.5 × 14.8 cm | 105 × 148 mm | 4.13 × 5.83 in |
A4 vs Letter vs Legal
US and Canadian documents often use Letter size, which is slightly wider and shorter than A4. If a PDF from the US prints with odd margins, it is probably Letter size.
| Size | Centimetres | Inches |
|---|---|---|
| A4 | 21 × 29.7 cm | 8.27 × 11.69 in |
| Letter | 21.6 × 27.9 cm | 8.5 × 11 in |
| Legal | 21.6 × 35.6 cm | 8.5 × 14 in |
How to set A4 size in Word, Google Docs and Canva
- Microsoft Word: Layout → Size → A4.
- Google Docs: File → Page setup → Paper size → A4.
- Canva: Create a design → Custom size → 21 × 29.7 cm (or search “A4 document”).
- Any PDF: File → Print → choose A4 as the paper size, then “Save as PDF”.
See how to save a Word file as PDF for the full steps.
Printing A4 pages online
A4 is the default on PrintPDFOnline: ₹2 per page in black & white and ₹8 per page in colour, delivered anywhere in India. A 50-page A4 document in black & white costs ₹100 plus delivery.