A 65-inch TV has a diagonal measurement of 65 inches or 165 cm. The width and height of the TV will vary depending on the make and model, but most 65-inch TVs have a width of around 57 inches or 144 cm and a height of about 32 inches or 81 cm. The exact dimensions may vary by brand and model, and the bezel or frame surrounding the screen can influence the overall size. The height of a 65-inch TV is approximately 31.9 inches or 81 cm. The optimal viewing distance for a 65-inch TV is approximately nine feet or 2.7 meters.