| Size in Inches | Size in Centimeters | Black & White Portrait Codes | Colour Portrait Codes |
| 1.57 x 2.36 in. | 4 x 6 cm | OPB1 | OPC1 |
| 1.97 x 2.76 in. | 5 x 7 cm | SSOPBA | SSOPCA |
| 2.36 x 3.15 in. | 6 x 8 cm | OPB2 | OPC2 |
| 2.76 x 3.54 in. | 7 x 9 cm | OPB3 | OPC3 |
| 3.15 x 3.94 in. | 8 x 10 cm | OPB4 | OPC4 |
| 3.54 x 4.72 in. | 9 x 12 cm | OPB5 | OPC5 |
| 3.94 x 5.12 in. | 10 x 13 cm | SSOPBB | SSOPCB |
| 4.33 x 5.91 in. | 11 x 15 cm | OPB6 | OPC6 |
| 5.12 x 7.09 in. | 13 x 18 cm | OPB7 | OPC7 |
| 6.30 x 7.48 in. | 16 x 19 cm | SSOPBC | SSOPCC |
| 6.69 x 8.66 in. | 17 x 22 cm | SSOPBD | SSOPCD |
| 7.09 x 9.45 in. | 18 x 24 cm | OPB8 | OPC8 |
| 9.45 x 11.81 in. | 24 x 30 cm | SSOPBE | SSOPCE |
| 11.8 x15.75 in. | 30 x 40 cm | SSOPBF | SSOPCF |