Paper sizes vary depending on the standard used (e.g., ISO or North American). The most common standard is the ISO 216, which includes the A and B series. Here's a breakdown of some common paper sizes:
ISO A Series
The A series is the most commonly used international paper size standard. The base size, A0, has an area of one square meter. Each subsequent size (A1, A2, A3, etc.) is created by halving the longer side of the previous size.
| Paper Size | Inches (approx.) | Millimeters |
|---|---|---|
| A0 | 33.1 x 46.8 | 841 x 1189 |
| A1 | 23.4 x 33.1 | 594 x 841 |
| A2 | 16.5 x 23.4 | 420 x 594 |
| A3 | 11.7 x 16.5 | 297 x 420 |
| A4 | 8.3 x 11.7 | 210 x 297 |
| A5 | 5.8 x 8.3 | 148 x 210 |
| A6 | 4.1 x 5.8 | 105 x 148 |
| A7 | 2.9 x 4.1 | 74 x 105 |
| A8 | 2.0 x 2.9 | 52 x 74 |
North American Paper Sizes
In North America, different paper sizes are used. The most common is "Letter" size.
| Paper Size | Inches | Millimeters (approx.) |
|---|---|---|
| Letter | 8.5 x 11 | 216 x 279 |
| Legal | 8.5 x 14 | 216 x 356 |
| Tabloid (Ledger) | 11 x 17 | 279 x 432 |
Other Paper Sizes
There are numerous other paper sizes used for specific purposes, such as envelopes, business cards, and photographic prints. The exact dimensions vary based on the specific application and regional standards.
Understanding the different paper sizes helps in choosing the right paper for printing, designing, and other applications.
