|
7-Segment Electronic Display Size vs. Viewing Distance |
|
Hacker's Bench Blog Archive |
|
|
|
February 12, 2007
Display Size vs. Viewing Distance
The data on the following table was extracted from other tables published by
several electronic display manufacturers, as well as from a couple of industry association formula. Where differences
in the viewing distance occured for the same dimension display, the lower number was chosen.
|
|
|
|
DIGIT SIZE
(height) |
VIEWING DISTANCE
(typical) |
VIEWING DISTANCE
(calculated) |
VIEWING DISTANCE
(maximum) |
| INCHES | FEET | CM | FEET | METERS | FEET | METERS | FEET | METERS |
| 0.5 | | 1.27 | 17 | 5.18 | 20 | 6.10 | 30 | 9.14 |
| 1.0 | | 2.54 | 34 | 10.36 | 40 | 12.19 | 60 | 18.29 |
| 2.3 | | 5.84 | 78.2 | 23.84 | 92 | 28.04 | 138 | 42.06 |
| 4.0 | | 10.16 | 136 | 41.45 | 160 | 48.77 | 240 | 73.15 |
| 5.0 | | 12.70 | 170 | 51.82 | 200 | 60.96 | 300 | 91.44 |
| 6.0 | 0.5 | 15.24 | 204 | 62.18 | 240 | 73.15 | 360 | 109.73 |
| 7.0 | | 17.78 | 238 | 72.54 | 280 | 85.34 | 420 | 128.02 |
| 8.0 | | 20.32 | 272 | 82.91 | 320 | 97.54 | 480 | 146.30 |
| 9.0 | | 22.86 | 306 | 93.27 | 360 | 109.73 | 540 | 164.59 |
| 10.0 | | 25.40 | 340 | 103.63 | 400 | 121.92 | 600 | 182.88 |
| 11.0 | | 27.94 | 374 | 114.00 | 440 | 134.11 | 660 | 201.17 |
| 12.0 | 1.0 | 30.48 | 408 | 124.36 | 480 | 146.30 | 720 | 219.46 |
| 14.0 | | 35.56 | 476 | 145.08 | 560 | 170.69 | 840 | 256.03 |
| 18.0 | 1.5 | 45.72 | 612 | 186.54 | 720 | 219.46 | 1080 | 329.18 |
| 24.0 | 2.0 | 60.96 | 816 | 248.72 | 960 | 292.61 | 1440 | 438.91 |
| 30.0 | 2.5 | 76.20 | 1020 | 310.90 | 1200 | 365.76 | 1800 | 548.64 |
| 36.0 | 3.0 | 91.44 | 1224 | 373.08 | 1440 | 438.91 | 2160 | 658.37 |
| 48.0 | 4.0 | 121.92 | 1632 | 497.43 | 1920 | 585.22 | 2880 | 877.82 |
| 60.0 | 5.0 | 152.40 | 2040 | 621.79 | 2400 | 731.52 | 3600 | 1097.28 |
| 72.0 | 6.0 | 182.88 | 2448 | 746.15 | 2880 | 877.82 | 4320 | 1316.74 |
| 84.0 | 7.0 | 213.36 | 2856 | 870.51 | 3360 | 1024.13 | 5040 | 1536.19 |
| 96.0 | 8.0 | 243.84 | 3264 | 994.87 | 3840 | 1170.43 | 5760 | 1755.65 |
| 118.0 | 9.0 | 299.72 | 4012 | 1222.86 | 4720 | 1438.66 | 7080 | 2157.98 |
| 130.0 | 10.0 | 330.20 | 4420 | 1347.22 | 5200 | 1584.96 | 7800 | 2377.44 |
| 142.0 | 11.0 | 360.68 | 4828 | 1471.57 | 5680 | 1731.26 | 8520 | 2596.90 |
| 154.0 | 12.0 | 391.16 | 5236 | 1595.93 | 6160 | 1877.57 | 9240 | 2816.35 |
|
|