The length and width of a 50-inch television are determined by the bezel, although a 50-inch wide-screen television with a 16:9 aspect ratio measures 43.58 inches wide and 24.51 inches tall. A standard-width screen with a 4:3 aspect ratio measures 40 inches wide by 30 inches tall.
For different screen diagonal lengths, the factors 0.8 and 0.6 can be used to obtain the width and height of a conventional screen with a 4:3 aspect ratio. For 16:9 widescreen displays, the factors 0.87 and 0.49 are utilised. A standard bezel adds 3 to 5 inches to the size of the screen.