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Projector Screen Size Calculator

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Questions? 

Projector Screen Size Calculator

Select your screen's aspect ratio and input any dimension to calculate your screen's overall viewable area.

Ratio   Width
Diagram     Height
    Diagonal

Push values to Other Calculators

Viewing Distance Calculator

Find the right combination of viewing distance based on screen size

Viewing Distance Calculator

1. Choose Screen Shape:
2. Your Screen's Diagonal Size (In Inches):
Results (In Feet):
Maximum recommended viewing distance
Maximum recommended SMPTE viewing distance
Maximum THX viewing distance
Recommended THX viewing distance

Foot Lamberts Calculator

Choose Aspect Ratio:

Projector Lumens:
Screen Gain:
Diagonal (In):
Screen Width (In):
Screen Height (In):
HOW IT WORKS: Start with your screen's aspect ratio, or provide custom dimensions. You can provide either the diagonal size, width or height - we'll convert the dimensions for your convenience!
RESULTS: Foot Lamberts (ftL):
ftL Viewing
0-15 Not bright enough
16-26 Good for dark room
27-39 Good for low ambient light
40-59 Good for medium ambient light
60+ Good for high ambient light

Screen Size Comparison

Display 1
Aspect Ratio:
Size (Diagonal Inches):
Display 2
Aspect Ratio:
Size (Diagonal Inches):

Need help calculating the right size projector screen for your needs? Look no further!

  • Use our Screen Size Calculator to determine the viewable area of a screen based on any 1 dimension.
  • Use our Projector Calculator to determine throw distance and optimal screen sized based on your projector.
  • Use our Viewing Distance Calculator to figure out the optimal seating distance for your audience based on the projector screen size you are considering.
  • Use our Screen Size Comparison to see the differences between various screen sizez and aspect ratios.
  • Use our Foot Lambert Calculator to determine how bright of an image you will get based on projector lumens, screen size and screen gain.
  • Need More Help?

    Our projection experts are happy to help you find the best projector or screen. Call 1-888-392-4814

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