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How to Use TV Size Calculator

Find the best TV size for your viewing distance using THX and SMPTE guidelines, or work out the width and height of any screen size and ratio.

About this tool

Find the best TV size for your viewing distance, and screen width and height.

How to use TV Size Calculator

  1. Choose best TV size or screen dimensions.
  2. Enter your viewing distance, or the screen size and aspect ratio.
  3. Read the recommended size range or the screen measurements.

Worked example

Sitting 8 ft from the screen, a 60–80 in TV fills a comfortable part of your view.

What is the THX recommendation?

A screen filling about 40° of your view for a cinematic experience.

How wide is a 65 inch TV?

About 56.7 in wide and 31.9 in tall at 16:9, not counting the frame.

Put this guide into practice

  • TV Size Calculator — Find the best TV size for your viewing distance, and screen width and height.

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Personalize your experience. Open with Ctrl+U (Option+U on Mac). Preferences stay in this browser when storage is available.

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Restore at any time with Ctrl+U (Option+U on Mac).

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