technical drawing paper sizes
in the United States
From ? to 1995, a series of paper sizes used by architects and engineers in the United States for technical drawings.
| ANSI Size |
Dimensions (inches) |
Dimensions (millimeters) |
|---|---|---|
| A | 8.5 × 11 | 216 × 279 |
| B | 11 × 17 | 279 × 432 |
| C | 17 × 22 | 432 × 559 |
| D | 22 × 34 | 559 × 864 |
| E | 34 × 44 | 864 × 1118 |
In 1995, the standard was revised and the ISO sizes A0 to A4 were adopted for this type of drawing.
American National Standard ANSI/ASME Y14.1
| Size | Dimensions (inches) |
Dimensions (millimeters) |
|
|---|---|---|---|
| ARCH A | ARCH 1 | 9 × 12 | 229 × 305 |
| ARCH B | ARCH 2 | 12 × 18 | 305 × 457 |
| ARCH C | ARCH 3 | 18 × 24 | 457 × 610 |
| ARCH D | ARCH 4 | 24 × 36 | 610 × 914 |
| ARCH E1 | ARCH 5 | 30 × 42 | 762 × 1067 |
| ARCH E | ARCH 6 | 36 × 48 | 914 × 1219 |
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Last revised: 18 January 2007.