The TV Size to Distance Calculator works out your recommended viewing distance, along with 1 related figure in an instant. Enter tv screen size (diagonal) and the result updates as you type — it is free, needs no sign-up, and runs entirely in your browser so your figures stay private.
Enter the tv screen size (diagonal).
Read off your recommended viewing distance, together with in inches — the calculator updates automatically, with no button to press.
Formula
The TV Size to Distance Calculator uses the formula:
For example, with tv screen size (diagonal) of 55 in, the recommended viewing distance is 7.3.
Inputs used
TV screen size (diagonal)
55 in
Results
Recommended viewing distance
7.3
In inches
88
Results are estimates for educational use, not professional advice.
Frequently asked questions
A common guide is about 1.6 times the screen size. For a 55-inch TV that is roughly 88 inches, or 7.3 feet.
Yes. With 4K you can sit closer, since pixels are smaller. This estimate suits comfortable HD viewing.
If you must sit closer, a higher-resolution TV looks sharper up close. Otherwise a slightly smaller screen may be more comfortable.
Not if you sit too close, where the picture can feel overwhelming and flaws show. Match the size to your seating distance.
The TV Size to Distance Calculator uses the formula: Recommended viewing distance = TV screen size (diagonal) × 1.6 ÷ 12. For example, with tv screen size (diagonal) of 55 in, the recommended viewing distance is 7.3.
Enter the tv screen size (diagonal). Read off your recommended viewing distance, together with in inches — the calculator updates automatically, with no button to press.
Reference table of recommended viewing distance for TV Size to Distance across a range of tv screen size (diagonal) values — exact, engine-computed figures you can read off at a glance.