Enter a couple of numbers for your display, and it will tell you the width and height, and the DPI. Simple.
Name | Pixels | DPI | Diagonal | Size | Pixel Count | |
30" | 2560x1600 | 101 | 30.0" (76.2 cm) | 25.4" x 15.9" (64.6cm x 40.4cm) | 4096000 | |
macbook | 1280x800 | 115 | 13.1" (33.3 cm) | 11.1" x 6.9" (28.2cm x 17.6cm) | 1024000 | |
ibook | 1024x768 | 106 | 12.1" (30.7 cm) | 9.7" x 7.3" (24.6cm x 18.4cm) | 786432 |
See some scale comparisons.
Matt Johnston
matt .. ucc . asn . au