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Which Screen - Part Three

How to Calculate a Custom Screen Size

Use the following formulas to calculate a custom size. The formulas will assist you in finding the viewing area only.

NTSC (1.33) HDTV (1.78) Letterbox (1.85)
Diagonal/1.667 = Height Diagonal x 0.49091 = Height Diagonal x 0.4762 = Height
PAL Height x 1.33 = Width Diagonal x 0.87247 = Width Diagonal x 0.88 = Width
Width/1.33 = Height Height x 2.0395 = Diagonal Height x 2.10 = Diagonal
Height x 1.667 = Diagonal Width x 1.14585 = Diagonal Width x 1.135 = Diagonal
  Height x 1.78 = Width Height x 1.85 = Width
  Width x 0.561837 = Height Width x 0.5405 = Height

 

Cinemascope (2.35) 16:10 Wide (1.60) SXGA (1.25)
Diagonal x 0.3916 = Height Diagonal x 0.530 = Height Diagonal x 0.625 = Height
Diagonal x 0.9209 = Width Diagonal x 0.848 = Width Diagonal x 0.78125 = Width
Height x 2.554 = Diagonal Height x 1.887 = Diagonal Height x 1.60 = Diagonal
Width x 1.0868 = Diagonal Width x 1.1.79 = Diagonal Width x 1.28 = Diagonal
Height x 2.35 = Width Height x 1.6 = Width Height x 1.25 = Width
Width x 0.4255 = Height Width x 0.625 = Height Width x 0.80 = Height

 

Part One / Part Two / Part Three / Part Four

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