| Ad shape: | Size as Decimal: |
| 1/2 Horizontal | 9" wide x 5.875" tall |
| 1/4 Horizontal | 4.4375" wide x 5.875" tall |
| 1/6 Horizontal | 4.4375" wide x 3.875" tall |
| 1/8 Horizontal | 4.4375" wide x 2.875" tall |
| 1/12 Horizontal | 4.4375" wide x 1.875" tall |
| 1/2 Vertical | 4.4375" wide x 12" tall |
| 1/4 Vertical | 2.125" wide x 12" tall |
| 1/6 Vertical | 2.125" wide x 7.875" tall |
| 1/8 Vertical | 2.125" wide x 5.875" tall |
| 1/12 Vertical | 2.125" wide x 3.875" tall |