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Projector Screen Size Calculator

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

    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

    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:
    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):

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