The screen dimensions of a 55-inch LED television vary based on the unit's manufacturer and model. The LG 55-inch LED 1080p Smart HDTV's screen measures 54.6 inches diagonally from corner to corner, 28.3 inches high, 48.9 inches wide, 2.2 inches deep and weighs 39.6 pounds without its stand.
The Samsung 55-inch LED 1080p Smart HDTV measures 54.63 inches diagonally, 28.75 inches high, 49.38 inches wide, 3.75 inches deep and weighs 39.7 pounds without its stand.
The Sony 55-inch 1080p 120 Hz 3D Smart LED TV measures 29.55 inches high, 48.8 inches wide and 3.6 inches deep. This model weighs 39.7 pounds.