It is depending on your wall space, TV Size, and Viewing Distance Range
32″ - 0.96m - 1.52m
43″ - 1.30m - 2.03m
50″ - 1.52m – 2.39m
55″ - 1.67m – 2.64m
60″ - 1.80m – 2.87m
65″ - 1.98m – 3.12m
70″ - 2.13m – 3.35m
75″- 2.28m – 3.60m
80″ - 2.44m – 3.80m
85″ - 2.60m – 4.06m