Welcome to Keynsham Photographic, one of the UK's leading digital photo processing labs.
0117 986 0030
Below are the different sizes showing inches and millimetres for correct printing you need to use the 'up one mm' size. Should you still prefer to use inches to size your prints then please add on 0.1 of an inch to each measurement.
| Size (inches) | Accurate (mm) | Up one mm (mm) |
| 2" x 3" | 102 x 102 | 103 x 103 |
| 4" x 4" | 102 x 102 | 103 x 103 |
| 5" x 3.5" | 127 x 89 | 128 x 90 |
| 5" x 4" | 127 x 102 | 128 x 103 |
| 5" x 5" | 127 x 127 | 128 x 128 |
| 5" x 7 | 127 x 178 | 128 x 179 |
| 5" x 7.5" | 127 x 190 | 128 x 191 |
| 6" x 4" | 152 x 102 | 153 x 103 |
| 6" x 6" | 152 x 152 | 153 x 153 |
| 6" x 8" | 152 x 203 | 153 x 204 |
| 6" x 9" | 152 x 230 | 153 x 231 |
| 6" x 10" | 152 x 254 | 153 x 255 |
| 8" x 8" | 203 x 203 | 204 x 204 |
| 8" x 12" | 203 x 305 | 204 x 306 |
| 10" x 7" | 254 x 178 | 255 x 179 |
| 10" x 8" | 254 x 203 | 255 x 204 |
| 10" x 10" | 254 x 254 | 255 x 255 |
| 10" x 12" | 254 x 305 | 255 x 306 |
| 10" x 14" | 254 x 356 | 255 x 357 |
| 10" x 15" | 254 x 381 | 255 x 382 |
| Inches | Centimetres |
| 4 | 10.22 |
| 5 | 12.72 |
| 6 | 15.22 |
| 7 | 17.82 |
| 8 | 20.32 |
| 9 | 23.02 |
| 10 | 25.42 |
| 12 | 30.52 |
| 15 | 38.12 |