US Standard Architectural Drawing Sizes
US architectural drawing sizes and formats:
| Designation | Size | |
|---|---|---|
| (mm) | (inches) | |
| ARCH A | 228.6 x 304.8 | 9 x 12 |
| ARCH B | 304.8 x 457.2 | 12 x 18 |
| ARCH C | 457.2 x 609.6 | 18 x 24 |
| ARCH D | 609.6 x 914.4 | 24 x 36 |
| ARCH E | 914.4 x 1219.2 | 36 x 48 |
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