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 these tools right here from this blog post or visit our Projector Screen Calculators page for the latest tools and calculators.

    Need more help? Contact a sales representative today!

    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

    Viewing Distance Calculator

    1. Distance to main viewing location:
    2. Choose Screen Shape:
    16:9 (Widescreen TV Shape)
    4:3 (Standard TV Shape)
    3. Choose Screen Size: (Enter either a diagonal screen size or width):
  • Choose Diagonal Size =
  • or Width =
    Current Viewing Cone Angle
    Maximum recommended viewing distance
    Maximum recommended SMPTE viewing distance
    Maximum THX viewing distance
    Recommended THX viewing distance
    Screen size to achieve SMPTE minimum viewing angle

    = 4:3 diagonal

    or 16:9 diagonal

    Screen size to achieve THX recommended viewing angle

    = 4:3 diagonal

    or 16:9 diagonal

    Viewing Distances Based on Visual Perception
    Maximum Viewing Distance for NTSC/PAL (720x480/720x576)
    Maximum Viewing Distance for HDTV (Fully resolved 1080i; 1920 x 1080)

    Projector Calculator

    Select your projector below to calculate projector throw distance and screen size options.