TV Size Distance Calculator
Use the TV Size Distance Calculator for a transparent, instant calculation with validated inputs and cited sources. For a query such as “TV Size Distance Calculator”, enter the matching values and units below and review the stated assumptions.
How to use this calculator
Enter the requested values and units.
Review the assumptions and any warnings shown with the result.
Use the result together with the cited source and your real-world requirements.
Formula
Derive screen width from the diagonal and aspect ratio, then apply the selected viewing-angle geometry to estimate distance.
Worked example
Worked example: Inputs: Screen diagonal: 65 in; Aspect ratio width: 16; Aspect ratio height: 9; Target horizontal field of view: 30 °. Outputs: Viewing distance: 105.714836 in; Screen width: 56.65241 in.
Assumptions and limits
- The result depends on the values, units, and assumptions entered. It does not infer missing context.
Sources
- Society of Motion Picture and Television Engineers: SMPTE ST 2080-3: Reference Viewing Environment for Evaluation of HDTV ImagesReference material reviewed for the stated method, units, or domain. Confirm that its scope matches your use case. Reviewed 2026-08-14.
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Frequently asked questions
How does the TV Size Distance Calculator work?
Derive screen width from the diagonal and aspect ratio, then apply the selected viewing-angle geometry to estimate distance.
What should I enter?
Screen diagonal, Aspect ratio width, Aspect ratio height, Target horizontal field of view
What should I verify?
Review the assumptions and any warnings shown with the result. The result depends on the values, units, and assumptions entered. It does not infer missing context.
Last updated 2026-08-14 · reference-tv-size-distance-v1 · opportunity-content-2026-08-14 · Trusty Calculator Editorial Team