For example, to find the ideal viewing distance for a 65-inch 4K TV you would calculate: (65 x 1.2) x 2.54 = 198.12. So that’s a viewing distance of 1.98 metres. Prefer to work in feet and inches?

"If our estimates are correct, then TV viewing is in the same league as smoking and obesity," Veerman tells the Australian Broadcasting Corporation. An Australian study by Professor David Dunstan ...

If you have a standard-definition TV, the manufacturer-recommended viewing distance is six times the vertical screen size. For example, if your television has a height of 18 inches, the optimal ...