Logical DPI Table

Physical DPI Table
Standard 1.33:1 Display Dimensions				Horizontal by Vertical Resolution
Diagonal	Horizontal	Vertical	cm²	640 480	800 600	1024 768	1152 864	1280 960	1400 1050	1600 1200	1800 1350	1920 1440	2048 1536
8″	163 mm	122 mm	198			160.0
12″	244 mm	183 mm	446	66.7	83.3	106.7	120.0	133.3	145.8	166.7	187.5	200.0	213.3
13″	264 mm	198 mm	523	61.5	76.9	98.5	110.8	123.1	134.6	154.0	173.1	184.6	197.7
14″	284 mm	213 mm	605	57.1	71.4	91.4	102.9	114.3	125.0	143.0	160.7	171.4	183.6
15″	305 mm	229 mm	697	53.3	66.7	85.3	96.0	106.7	116.7	133.3	150.0	160.0	171.3
16″	325 mm	244 mm	793	50.0	62.5	80.0	90.0	100.0	109.4	125.0	140.6	150.0	160.6
17″	345 mm	259 mm	895	47.1	58.8	75.3	84.7	94.1	103.0	117.6	132.4	141.2	151.2
18″	366 mm	274 mm	1003	44.4	55.6	71.1	80.0	88.9	97.2	111.0	125.0	133.3	142.8
19″	386 mm	290 mm	1118	42.1	52.6	67.4	75.8	84.2	92.1	105.3	118.4	126.3	135.3
20″	406 mm	305 mm	1239	40.0	50.0	64.0	72.0	80.0	87.5	100.0	112.5	120.0	128.5
21″	427 mm	320 mm	1366	38.1	47.6	61.0	68.6	76.2	83.3	95.2	107.1	114.3	122.4
1.6:1 Widescreen Dimensions				Horizontal by Vertical Resolution
Diagonal	Horizontal	Vertical	cm²	1024 640	1280 800	1440 900	1680 1050	1920 1200	2048 1280	2560 1600
8″	172 mm	108 mm	186	150.9
11″	237 mm	148 mm	351	109.8	137.2
12″	258 mm	162 mm	418	100.6	125.8
13″	280 mm	175 mm	490	92.9	116.1
13.3″	286 mm	179 mm	513	90.8	113.5
14″	302 mm	188 mm	568	86.3	107.8	121.3
14.4″	310 mm	194 mm	601	83.9	104.8	117.9
15″	323 mm	202 mm	652	80.5	100.6	113.2	132.1
15.4″	332 mm	207 mm	688		98.0	110.3	128.6	147.0
16″	345 mm	215 mm	742		94.3	106.1	123.8	141.5
17″	366 mm	229 mm	838		88.8	99.9	116.5	133.2
18″	388 mm	242 mm	939			94.3	110.1	125.8
19″	409 mm	256 mm	1047			89.4	104.3	119.2
20″	431 mm	269 mm	1160			84.9	99.1	113.2
21″	452 mm	283 mm	1279				94.3	107.8
22″	474 mm	296 mm	1403				90.1	102.9
23″	495 mm	310 mm	1534					98.4
24″	517 mm	323 mm	1670					94.3	100.6	125.8
27″	581 mm	363 mm	2114					83.9	89.4	111.8
30″	646 mm	404 mm	2610						80.5	100.6
1.25:1 Display Dimensions				Horizontal by Vertical Resolution
Diagonal	Horizontal	Vertical	cm²	1280 1024	2560 2048
13″	258 mm	206 mm	532	126.1	252.2
14″	278 mm	222 mm	617	117.1	234.2
15″	298 mm	238 mm	708	109.3	218.6
16″	317 mm	254 mm	806	102.4	204.9
17″	337 mm	270 mm	910	96.4	192.8
18″	357 mm	286 mm	1020	91.1	182.1
19″	377 mm	301 mm	1136	86.3	172.6
20″	397 mm	317 mm	1259	82.0	163.9
21″	417 mm	333 mm	1388	78.1	156.1