Drawings - Standard Metric Sizes
Standard metric drawing sheet sizes.
The ISO A0 size is defined as having an area of one square meter. Each smaller sheet size is exactly half the area of the previous size
- an A0 sheet cut in half gives two A1 sheets
- an A1 sheet in half you get two A2 sheets
| Designation | Size of sheet | Size of frame | ||
|---|---|---|---|---|
| A mm | B mm | C mm | D mm | |
| A0 | 841 | 1189 | 791 | 1139 |
| A1 | 594 | 841 | 554 | 804 |
| A2 | 420 | 594 | 380 | 554 |
| A3 | 297 | 420 | 267 | 390 |
| A4 | 210 | 297 | 180 | 267 |
| A5 | 148 | 210 | ||
| A6 | 105 | 148 | ||
