Home Theater Calculator

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Welcome! Use this page to determine the appropriate viewing distance for your home theater.

HDTV Set Up

Unit System
Screen Resolution
Dimensions
Screen Diagonal:
Vertical Resolution:
Horizontal Resolution:
Number of Pixels:
Screen Width:
Screen Height:
Pixel Width:
Pixel Height:
Screen dimensions image
Suggested Viewing Distance
THX Max Allowable Viewing Distance:
THX Max Recommended Viewing Distance:
Visual Acuity Viewing Distance (20/20 vision):
Screen dimensions image