Height and Width Help

The correct size of screen should be determined in relation to the audience area. The screen should be large enough for the audience at the back of the room to be able to see the subject matter, but not so large that those at the front have difficulty in seeing the full width of the screen.

Whats the optimum distance from your screen.

On a level floor, the bottom of the screen should be between 102cm to 122cm from the floor for 4:3 format,
or between 120cm and 90cm for 16:9 format.
The ceiling height will also be the factor that governs the maximum width of the screen. For example, in a room with a ceiling height of 300cm, a 4:3 format screen would have a screen width of approximately 260cm to allow the bottom of the screen to be at the optimum height.

How To Calculate a Custom Size

4:3 NTSC/PAL Video 16:9 HDTV 5:4 Data Graphics
Height = Diagonal x 0.6 Height = Diagonal x 0.49 Height = Diagonal x 0.625
Width = Diagonal x 0.8 Width = Diagonal x 0.87146 Width = Diagonal x 0.781
Diagonal = Height x 1.667 Diagonal = Height x 2.04 Diagonal = Height x 1.601
Diagonal = Width x 1.25 Diagonal = Width x 1.1475 Diagonal = Width x 1.281
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