The CAD industry has American and International standards for media sizes
(
paper and mylar are common media types). This summary will list the 3 most
popular standards and show the media sizes for each in inches and in millime
ters. The three most popular standards are:
ANSI Media Sizes, as established by the ANSI Standards:
| Media Size    | Inches       | Millimeters       |
|         A | 8.5 x 11 | 216 x 279 |
|         B | 11 x 17 | 279 x 432 |
|         C | 17 x 22 | 432 x 559 |
|         D | 22 x 34 | 559 x 864 |
|         E | 34 x 44 | 864 x 1118 |
ARCH Media Sizes, as established by the Architectural Standards:
| Media Size    | Inches       | Millimeters       |
| ARCH 1 | 9 x 12 | 229 x 305 |
| ARCH 2 | 12 x 18 | 305 x 457 |
| ARCH 3 | 18 x 24 | 457 x 610 |
| ARCH 4 | 24 x 36 | 510 x 914 |
| ARCH 5 | 36 x 42 | 762 x 1067 |
| ARCH 6 | 42 x 44 | 914 x 1219 |
ISO Media Sizes, as established by the International Standards Organization
for Engineering Standards
| Media Size    | Inches       | Millimeters       |
| A4 | 8.27 x 11.69 | 210 x 297 |
| A3 | 11.69 x 16.54 | 297 x 420 |
| A2 | 16.54 x 23.35 | 420 x 594 |
| A1 | 23.35 x 33.11 | 594 x 841 |
| A0 | 33.11 x 46.81 | 841 x 1189 |