So, What is a Pixel?
A pixel is really nothing more than a piece of information. A pixel describes where it is located in the grid and what color it is. Pixels, in a digital image, do not have a “Height” or “Width” that can be measured with a ruler. This is because they are pieces of information, rather than a physical thing that can be measured. Once the picture is assembled on your Monitor or assembled for Printing, ONLY then can you measure it with a ruler. Some software programs elect to describe your picture in Inches or Centimeters, rather than in Pixels. We feel that this is a diservice to the user because pixels cannot be measured. When a digital image is described in inches, it is being calculated, based on the Monitors Resolution. Or on the Printers Resolution. (Both of which are different and non-related, thus causing a lot of confusion) Most monitors are set at 96 dpi (dots per inch) If a digital image is 960 pixels wide, then that digital image would be reported as being 10 inches wide. (960 d