Screen size is usually specified using the diagonal measurement, in inches (like a TV set). In order to calculate the width and height it is necessary to know the screen format.
There are now a number of screen aspect ratios i.e. the relative proportion of the rectangular screen.
The ratios between width:height:diagonal for these formats are:
| Original video and PC (e.g. XGA [1024 x 768]): | 4:3:5 |
| Some CAD displays (e.g. SXGA [1280 x 1024]): | 5:4:6.4 |
| Video widescreen (e.g. HD [1920 x 1080]): | 16:9:18.3 |
| Computer widescreen (e.g. WUXGA [1920 x 1200]): | 16:10:18.9 |
| 35 mm slide: | 3:2:3.6 |
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![]() dnp denmark is the worldwide large-screen centre of Dai Nippon Printing Co. Ltd. With a 65 % market share, dnp is the world’s leading supplier of optical projection screens for high quality display solutions. The dnp optical screen portfolio includes an extensive range of optical projection screens for both front and rear projection screen applications for all environments including home cinema / home theatre, meeting rooms / conference rooms, control rooms, signage & advertising and more. |
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