| Size in Inches | Size in Centimeters | Black & White Portrait Codes | Colour Portrait Codes |
| 2 1/4 x 2 3/4 in | 5.7 x 7 cm | SSOMBA | SSOMCA |
| 2.36 x 3.15 in | 6 x 8 cm | MOPB2 | MOPC2 |
| 2 5/8 x 3 3/8 in. | 6.7 x 8.6 cm | SSOMBB | SSOMCB |
| 2.76 x 3.54 in. | 7 x 9 cm | MOPB3 | MOPC3 |
| 3.15 x 3.94 in. | 8 x 10 cm | MOPB4 | MOPC4 |
| 3 1/4 x 4 1/4 in. | 8.3 x 10.8 cm | SSOMBC | SSOMCC |
| 3.54 x 4.72 in. | 9 x 12 cm | MOPB5 | MOPC5 |
| 3 3/4 x 5 in. | 9.5 x 12.7 cm | SSOMBD | SSOMCD |
| 4 1/4 x 6 in. | 10.8 x 15.2 cm | SSOMBE | SSOMCE |
| 4.33 x 5.91 in. | 11 x 15 cm | MOPB6 | MOPC6 |
| 5 x 7 in. | 12.7 x 17.8 cm | SSOMBF | SSOMCF |
| 5.12 x 7.09 in. | 13 x 18 cm | MOPB7 | MOPC7 |
| 7.09 x 9.45 in. | 18 x 24 cm | MOPB8 | MOPC8 |
| 8 x 10 in. | 20.3 x 25.4 cm | SSOMBG | SSOMCG |