屏幕尺寸，是指屏幕对角线的尺寸。由于笔记本电脑采用的液晶屏的大小和分辨率是根据它的市场定位决定的，所以为了适应不同人群的消费能力和使用习惯，笔记本电脑的液晶显示器的尺寸和分辨率种类远远要比台式液晶显示器多。
| 对角线参数 | 16:9屏幕 | 16:10屏幕 | 4:3屏幕 | 中间计算数据 | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 英制（in） | 国标制（mm） | 宽(mm) | 高(mm) | 宽(mm) | 高(mm) | 宽(mm) | 高(mm) | 16:9基数 | 16:10基数 | 4:3基数 |
| 12 | 304.8 | 267.2 | 150.3 | 259.2 | 162 | 244 | 183 | 16.7 | 16.2 | 61 |
| 15 | 381 | 332.8 | 187.2 | 323.2 | 202 | 304.8 | 228.6 | 20.8 | 20.2 | 76.2 |
| 17 | 431.8 | 377.6 | 212.4 | 366.4 | 229 | 345.6 | 259.2 | 23.6 | 22.9 | 86.4 |
| 18 | 457.2 | 400 | 225 | 388.8 | 243 | 366 | 274.5 | 25 | 24.3 | 91.5 |
| 20 | 508 | 443.2 | 249.3 | 432 | 270 | 406.4 | 304.8 | 27.7 | 27 | 101.6 |
| 21 | 533.4 | 465.6 | 261.9 | 452.8 | 283 | 426.8 | 320.1 | 29.1 | 28.3 | 106.7 |
| 22 | 558.8 | 488 | 274.5 | 475.2 | 297 | 447.2 | 335.4 | 30.5 | 29.7 | 111.8 |
| 23 | 584.2 | 510.4 | 287.1 | 496 | 310 | 467.6 | 350.7 | 31.9 | 31 | 116.9 |
| 24 | 609.6 | 532.8 | 299.7 | 518.4 | 324 | 488 | 366 | 33.3 | 32.4 | 122 |
| 25 | 635 | 553.6 | 311.4 | 539.2 | 337 | 508 | 381 | 34.6 | 33.7 | 127 |
| 26 | 660.4 | 576 | 324 | 561.6 | 351 | 528.4 | 396.3 | 36 | 35.1 | 132.1 |
| 27 | 685.8 | 598.4 | 336.6 | 582.4 | 364 | 548.8 | 411.6 | 37.4 | 36.4 | 137.2 |
| 32 | 812.8 | 708.8 | 398.7 | 689.6 | 431 | 650.4 | 487.8 | 44.3 | 43.1 | 162.6 |
| 36 | 914.4 | 798.4 | 449.1 | 776 | 485 | 731.6 | 548.7 | 49.9 | 48.5 | 182.9 |
| 37 | 939.8 | 819.2 | 460.8 | 798.4 | 499 | 752 | 564 | 51.2 | 49.9 | 188 |
| 40 | 1016 | 886.4 | 498.6 | 862.4 | 539 | 812.8 | 609.6 | 55.4 | 53.9 | 203.2 |
| 42 | 1066.8 | 931.2 | 523.8 | 905.6 | 566 | 853.6 | 640.2 | 58.2 | 56.6 | 213.4 |
| 46 | 1168.4 | 1019.2 | 573.3 | 992 | 620 | 934.8 | 701.1 | 63.7 | 62 | 233.7 |
| 47 | 1193.8 | 1041.6 | 585.9 | 1012.8 | 633 | 955.2 | 716.4 | 65.1 | 63.3 | 238.8 |
| 50 | 1270 | 1107.2 | 622.8 | 1078.4 | 674 | 1016 | 762 | 69.2 | 67.4 | 254 |
| 52 | 1320.8 | 1152 | 648 | 1121.6 | 701 | 1056.8 | 792.6 | 72 | 70.1 | 264.2 |
| 58 | 1473.2 | 1284.8 | 722.7 | 1249.6 | 781 | 1178.8 | 884.1 | 80.3 | 78.1 | 294.7 |
| 60 | 1524 | 1329.6 | 747.9 | 1292.8 | 808 | 1219.2 | 914.4 | 83.1 | 80.8 | 304.8 |
| 62 | 1574.8 | 1372.8 | 772.2 | 1336 | 835 | 1260 | 945 | 85.8 | 83.5 | 315 |
| 64 | 1625.6 | 1417.6 | 797.4 | 1379.2 | 862 | 1300.8 | 975.6 | 88.6 | 86.2 | 325.2 |
| 68 | 1727.2 | 1505.6 | 846.9 | 1465.6 | 916 | 1382 | 1036.5 | 94.1 | 91.6 | 345.5 |
| 70 | 1778 | 1550.4 | 872.1 | 1508.8 | 943 | 1422.4 | 1066.8 | 96.9 | 94.3 | 355.6 |
| 72 | 1828.8 | 1595.2 | 897.3 | 1552 | 970 | 1463.2 | 1097.4 | 99.7 | 97 | 365.8 |
| 76 | 1930.4 | 1683.2 | 946.8 | 1638.4 | 1024 | 1544.4 | 1158.3 | 105.2 | 102.4 | 386.1 |
| 80 | 2032 | 1771.2 | 996.3 | 1723.2 | 1077 | 1625.6 | 1219.2 | 110.7 | 107.7 | 406.4 |
| 82 | 2082.8 | 1816 | 1021.5 | 1766.4 | 1104 | 1666.4 | 1249.8 | 113.5 | 110.4 | 416.6 |
| 84 | 2133.6 | 1860.8 | 1046.7 | 1809.6 | 1131 | 1707.2 | 1280.4 | 116.3 | 113.1 | 426.8 |
| 86 | 2184.4 | 1904 | 1071 | 1852.8 | 1158 | 1747.6 | 1310.7 | 119 | 115.8 | 436.9 |
| 88 | 2235.2 | 1948.8 | 1096.2 | 1896 | 1185 | 1788.4 | 1341.3 | 121.8 | 118.5 | 447.1 |
| 90 | 2286 | 1993.6 | 1121.4 | 1939.2 | 1212 | 1828.8 | 1371.6 | 124.6 | 121.2 | 457.2 |
| 92 | 2336.8 | 2036.8 | 1145.7 | 1982.4 | 1239 | 1869.6 | 1402.2 | 127.3 | 123.9 | 467.4 |
| 96 | 2438.4 | 2126.4 | 1196.1 | 2068.8 | 1293 | 1950.8 | 1463.1 | 132.9 | 129.3 | 487.7 |
| 100 | 2540 | 2214.4 | 1245.6 | 2155.2 | 1347 | 2032 | 1524 | 138.4 | 134.7 | 508 |
| 104 | 2641.6 | 2302.4 | 1295.1 | 2241.6 | 1401 | 2113.6 | 1585.2 | 143.9 | 140.1 | 528.4 |
| 110 | 2794 | 2435.2 | 1369.8 | 2369.6 | 1481 | 2235.2 | 1676.4 | 152.2 | 148.1 | 558.8 |
| 116 | 2946.4 | 2569.6 | 1445.4 | 2499.2 | 1562 | 2357.2 | 1767.9 | 160.6 | 156.2 | 589.3 |
| 120 | 3048 | 2657.6 | 1494.9 | 2585.6 | 1616 | 2438.4 | 1828.8 | 166.1 | 161.6 | 609.6 |