WeVividWeVividFind a screen's width and height in inches and centimetres from its diagonal size and aspect ratio.
These are the visible screen dimensions. Add the frame (bezel) when planning space or a TV stand.
Use the diagonal and the 16:9 aspect ratio; a 55-inch TV is about 48 inches wide.
No. The dimensions are of the visible screen.
The tall aspect ratio of many modern phones.
No. Everything is worked out in your browser and nothing you type is sent to a server.