Thescreen quality and resolution also play a role in this decision. In the professional world, however, a rough rule of thumb is used: Viewing distance = screen diagonal x 2.1. In this particular case, the 55-inch TV has a diagonal of 139.7 cm, so the recommended viewing distance = 139.7 cm * 2.1 = 293 cm = 2 meters and 93 centimeters. It
Thetarget paper size is a DIN A4. The target DPI is 350. The image resolution is 3840 x 2160 pixels. The display has a native resolution of 1920 x 1080 (which is the actual resolution configured) and a diagonal size of 21.5 inches. Based on the display numbers above, and according to this site, the pixel density of the screen is 102 DPI. TheOS will assume some dpi (usually 96 dpi on windows) however the screens real dpi will depend on the physical size of the display and the resolution . e.g a 15" monitor should have a 12" width so depending on the horizontal resolution you will get a different horizontal dpi, assuming a 1152 pixel screen width you will genuinely get 96 dpi
A55-inch screen is one of two sizes with a curved screen in production alongside the 55-inch LED TVs and 55-inch QLED TVs. The standard 55-inch Samsung TVs are roughly 48.50” x 29.36” or 123.19cm x 74.57cm with the base and 48.50” x 27.88” or 123.19cm x 70.82cm without.
Screen1:1 is not really actual size, though it's an important value when we're working for screen output. Actual Size, strictly speaking, is the output dimension on whichever device you're outputting to (whether that be a screen or a printer). It's the actual real-world dimensions a viewer sees when the image is output.
Measurefrom the top edge to the bottom edge of the visible area. Multiply the width measurement by the height measurement to calculate the display area. For example, if the width of the visible screen is 20 inches and the height is 12 inches, the display area would be 240 square inches. hjPF. 321 380 189 156 389 36 260 232 86

10 cm actual size on screen