Screen Size comparisons
(Comparing using a 16:9 image. If it were compared at 16:10, obviously the 16:10 screens swould have at/near 100% screen utilization)
TV calculator .com
I edited those pictures to make a better visual comparison, since the real size difference would grow from the center...
Desktop LCD Monitor Comparison (Pixel Table) prismo.com
This table shows the screen resolution, pixel density (pixel pitch in pixels per inch, ppi), size of one square pixel, aspect ratio of the screen, number of pixels (megapixels or MP), and pixel area gain compared to a 1024 by 768 pixel XGA resolution for various display sizes (measured by the viewable diagonal).
| Size | Resolution | Density | Pixel Size | Ratio | Pixels | Gain |
| 14.1" | 1024 x 768 | 90.8 ppi | 0.2798 mm | 4:3 | 0.75 MP | 100% |
| 14" | 1366 x 768 | 111.9 ppi | 0.2269 mm | ~16:9 | 1.00 MP | 133% |
| 15" | 1024 x 768 | 85.3 ppi | 0.2977 mm | 4:3 | 0.75 MP | 100% |
| 17" | 1280 x 768 | 87.8 ppi | 0.2893 mm | 5:3 | 0.94 MP | 125% |
| 17" | 1280 x 1024 | 96.4 ppi | 0.2634 mm | 5:4 | 1.25 MP | 167% |
| 17" | 1440 x 900 | 99.9 ppi | 0.2543 mm | 16:10 | 1.24 MP | 165% |
| 18" | 1280 x 1024 | 91.1 ppi | 0.2789 mm | 5:4 | 1.25 MP | 167% |
| 18.4" | 1366 x 768 | 85.2 ppi | 0.2982 mm | ~16:9 | 1.0 MP | 133% |
| 19" | 1280 x 1024 | 86.3 ppi | 0.2944 mm | 5:4 | 1.25 MP | 167% |
| 19" | 1440 x 900 | 89.4 ppi | 0.2842 mm | 16:10 | 1.24 MP | 165% |
| 19" | 1680 x 1050 | 104.3 ppi | 0.2436 mm | 16:10 | 1.68 MP | 224% |
| 20" | 1400 x 1050 | 87.5 ppi | 0.2903 mm | 4:3 | 1.4 MP | 187% |
| 20" | 1600 x 900 | 91.8 ppi | 0.2767 mm | 16:9 | 1.37 MP | 183% |
| 20" | 1680 x 1050 | 99.1 ppi | 0.2564 mm | 16:10 | 1.68 MP | 224% |
| 20.1" | 1600 x 1200 | 99.5 ppi | 0.2553 mm | 4:3 | 1.83 MP | 244% |
| 21" | 1680 x 1050 | 94.3 ppi | 0.2692 mm | 16:10 | 1.68 MP | 224% |
| 21.3" | 1600 x 1200 | 93.9 ppi | 0.2705 mm | 4:3 | 1.83 MP | 244% |
| 21.5" | 1920 x 1080 | 102.5 ppi | 0.2479 mm | 16:9 | 1.98 MP | 264% |
| 22" | 1600 x 1024 | 86.3 ppi | 0.2942 mm | 25:16 | 1.56 MP | 208% |
| 22" | 1680 x 1050 | 90.1 ppi | 0.2821 mm | 16:10 | 1.68 MP | 224% |
| 22" | 1920 x 1080 | 100.1 ppi | 0.2537 mm | 16:9 | 1.98 MP | 264% |
| 22.2" | 1920 x 1200 | 102 ppi | 0.2490 mm | 16:10 | 2.2 MP | 293% |
| 22.2" | 3840 x 2400 | 204 ppi | 0.1245 mm | 16:10 | 8.79 MP | 1'172% |
| 23" | 1920 x 1080 | 95.8 ppi | 0.2652 mm | 16:9 | 1.98 MP | 264% |
| 23" | 1920 x 1200 | 98.4 ppi | 0.258 mm | 16:10 | 2.2 MP | 293% |
| 24" | 1920 x 1080 | 91.8 ppi | 0.2767 mm | 16:9 | 1.98 MP | 264% |
| 24" | 1920 x 1200 | 94.3 ppi | 0.2692 mm | 16:10 | 2.2 MP | 293% |
| 26" | 1920 x 1200 | 87.1 ppi | 0.2917 mm | 16:10 | 2.2 MP | 293% |
| 27" | 1920 x 1080 | 81.6 ppi | 0.3113 mm | 16:9 | 1.98 MP | 264% |
| 27" | 1920 x 1200 | 83.9 ppi | 0.3029 mm | 16:10 | 2.2 MP | 293% |
| 27" | 2560 x 1440 | 108.8 ppi | 0.2335 mm | 16:9 | 3.52 MP | 469% |
| 30" | 2560 x 1600 | 100.6 ppi | 0.2524 mm | 16:10 | 3.91 MP | 521% |
| 32" | 1024 x 768 | 40 ppi | 0.635 mm | 4:3 | 0.75 MP | 100% |
| 40" | 1024 x 768 | 32 ppi | 0.7938 mm | 4:3 | 0.75 MP | 100% |
Desktop LCD Monitor Comparison (Area Table)
The following table shows the active diagonal, screen width, screen height, aspect ratio, viewable screen area and physical area gain compared to a 15-inch 4:3 monitor for various display sizes.
| Size | Diagonal | Width | Height | Ratio | Area | Gain |
| 14" | 35.56 cm | 31.00 cm | 17.43 cm | ~16:9 | 540 cm2 | 77.5% |
| 14.1" | 35.81 cm | 28.65 cm | 21.49 cm | 4:3 | 616 cm2 | 88.4% |
| 15" | 38.1 cm | 30.48 cm | 22.86 cm | 4:3 | 697 cm2 | 100% |
| 17" | 43.18 cm | 37.03 cm | 22.22 cm | 5:3 | 823 cm2 | 118% |
| 17" | 43.18 cm | 33.72 cm | 26.97 cm | 5:4 | 910 cm2 | 131% |
| 17" | 43.18 cm | 36.62 cm | 22.89 cm | 16:10 | 838 cm2 | 120% |
| 18" | 45.72 cm | 35.70 cm | 28.56 cm | 5:4 | 1'020 cm2 | 146% |
| 18.4" | 46.74 cm | 40.74 cm | 22.90 cm | ~16:9 | 933 cm2 | 134% |
| 19" | 48.26 cm | 37.68 cm | 30.15 cm | 5:4 | 1'136 cm2 | 163% |
| 19" | 48.26 cm | 40.92 cm | 25.58 cm | 16:10 | 1'047 cm2 | 150% |
| 20" | 50.8 cm | 44.28 cm | 24.91 cm | 16:9 | 1'103 cm2 | 158% |
| 20" | 50.8 cm | 43.08 cm | 26.92 cm | 16:10 | 1'160 cm2 | 166% |
| 20" | 50.8 cm | 40.64 cm | 30.48 cm | 4:3 | 1'239 cm2 | 178% |
| 20.1" | 51.05 cm | 40.84 cm | 30.63 cm | 4:3 | 1'251 cm2 | 180% |
| 21" | 53.34 cm | 45.23 cm | 28.27 cm | 16:10 | 1'279 cm2 | 184% |
| 21.3" | 54.1 cm | 43.28 cm | 32.46 cm | 4:3 | 1'405 cm2 | 202% |
| 21.5" | 54.61 cm | 47.60 cm | 26.77 cm | 16:9 | 1'274 cm2 | 183% |
| 22" | 55.88 cm | 48.70 cm | 27.40 cm | 16:9 | 1'334 cm2 | 192% |
| 22" | 55.88 cm | 47.39 cm | 29.62 cm | 16:10 | 1'403 cm2 | 201% |
| 22" | 55.88 cm | 47.07 cm | 30.12 cm | 25:16 | 1'418 cm2 | 203% |
| 22.2" | 56.39 cm | 47.82 cm | 29.89 cm | 16:10 | 1'429 cm2 | 205% |
| 23" | 58.42 cm | 50.92 cm | 28.64 cm | 16:9 | 1'458 cm2 | 209% |
| 23" | 58.42 cm | 49.54 cm | 30.96 cm | 16:10 | 1'534 cm2 | 220% |
| 24" | 60.96 cm | 53.13 cm | 29.89 cm | 16:9 | 1'588 cm2 | 228% |
| 24" | 60.96 cm | 51.69 cm | 32.31 cm | 16:10 | 1'670 cm2 | 240% |
| 26" | 66.04 cm | 56 cm | 35 cm | 16:10 | 1'960 cm2 | 281% |
| 27" | 68.58 cm | 59.77 cm | 33.62 cm | 16:9 | 2'010 cm2 | 288% |
| 27" | 68.58 cm | 58.16 cm | 36.35 cm | 16:10 | 2'114 cm2 | 303% |
| 30" | 76.2 cm | 64.62 cm | 40.39 cm | 16:10 | 2'610 cm2 | 375% |
| 32" | 81.28 cm | 65.02 cm | 48.77 cm | 4:3 | 3'171 cm2 | 455% |
| 40" | 101.6 cm | 81.28 cm | 60.96 cm | 4:3 | 4'955 cm2 | 711% |