US Series
Arch A
Belonging to the ANSI series, Arch A is a paper size that holds significant importance in various professional fields. With dimensions of 9 x 12 inches, it's a preferred choice for many architects and engineers who require precision and clarity in their blueprints and schematics.
As part of the American National Standards Institute (ANSI) series, Arch A adheres to stringent standards set by this esteemed organization. This ensures consistency across different prints, making it easier for professionals to collaborate on projects without worrying about discrepancies due to varying paper sizes.
Arch A paper dimensions
Specs
| Format | in | mm | cm | pt |
|---|---|---|---|---|
| 2A0 | 46.81 x 66.22 | 1189 x 1682 | 119 x 168 | 3370 x 4768 |
| A12 | 0.51 x 0.71 | 13 x 18 | 1 x 2 | 37 x 51 |
| 4A0 | 66.22 x 93.62 | 1682 x 2378 | 168 x 238 | 4768 x 6741 |
| A11 | 0.71 x 1.02 | 18 x 26 | 2 x 3 | 51 x 74 |
| A10 | 1.02 x 1.46 | 26 x 37 | 3 x 4 | 74 x 105 |
| A3+ | 12.95 x 19.02 | 329 x 483 | 33 x 48 | 933 x 1369 |
| A1+ | 23.98 x 35.98 | 609 x 914 | 61 x 91 | 1726 x 2591 |
| A0+ | 35.98 x 50.87 | 914 x 1292 | 91 x 129 | 2591 x 3662 |
| A6 | 4.13 x 5.83 | 105 x 148 | 11 x 15 | 298 x 420 |
| A5 | 5.83 x 8.27 | 148 x 210 | 15 x 21 | 420 x 595 |
| A4 | 8.27 x 11.69 | 210 x 297 | 21 x 30 | 595 x 842 |
| A3 | 11.69 x 16.54 | 297 x 420 | 30 x 42 | 842 x 1191 |
| A9 | 1.46 x 2.05 | 37 x 52 | 4 x 5 | 105 x 147 |
| A2 | 16.54 x 23.39 | 420 x 594 | 42 x 59 | 1191 x 1684 |
| A8 | 2.05 x 2.91 | 52 x 74 | 5 x 7 | 147 x 210 |
| A1 | 23.39 x 33.11 | 594 x 841 | 59 x 84 | 1684 x 2384 |
| A7 | 2.91 x 4.13 | 74 x 105 | 7 x 11 | 210 x 298 |
| A0 | 33.11 x 46.81 | 841 x 1189 | 84 x 119 | 2384 x 3370 |
Interestingly, despite its American origins, Arch A has found acceptance globally. Its unique size offers an optimal balance between space and portability - large enough to present detailed information clearly yet compact enough for easy handling and storage.
In conclusion, Arch A is more than just a paper size. It's an integral tool that facilitates effective communication among professionals across industries. Its adherence to ANSI standards underscores its reliability while its global acceptance testifies its versatility.
Other Formats in the US Series
Interesting facts about Arch A
1: Arch A Paper Size
Arch A paper is a specific size within the Arch series of paper sizes. It measures 9 x 12 inches or approximately 229 x 305 millimeters.
2: Origin of the Arch Series
The Arch series of paper sizes originated in Germany in the early 20th century. It was initially developed for architectural and technical drawings.
3: Standardized by ANSI
In the United States, the American National Standards Institute (ANSI) adopted and standardized the Arch series of paper sizes in 1995.
4: Similar to ANSI A
The dimensions of Arch A paper are very similar to ANSI A (8.5 x 11 inches), which is commonly used for letter-sized documents in North America.
5: Commonly Used by Architects
Architects often prefer using Arch A paper for sketching, drafting, and presenting architectural designs due to its convenient size and aspect ratio.
6: Compatible with Other Arch Sizes
The Arch series follows a consistent aspect ratio, which means that an Arch A sheet can be easily scaled up or down to other sizes within the series without losing proportionality.
7: Popular Choice for Artwork
Artists also find Arch A paper suitable for creating small-scale drawings, paintings, and mixed media artworks due to its manageable dimensions.
8: Not Widely Used Outside North America
The use of the Arch series, including Arch A paper, is primarily limited to North America. In other parts of the world, different paper size standards are more prevalent.
9: Historical Connection to Imperial Paper Sizes
The Arch series of paper sizes has a historical connection to the traditional imperial paper sizes used in the United States and other countries before metrication.
10: Versatile for Various Applications
While Arch A paper is commonly associated with architectural and artistic uses, it can also be utilized for general office purposes, such as printing documents or creating brochures.
