"Asking someone what the size of a pixel is is a good way to confuse him or her because it’s a trick question. A pixel has no size, no physical value or meaning outside of its mathematical representation. It is a part of a relationship between the physical screen size, expressed in inches, the screen resolution, expressed in pixel per inches and the pixel screen size, expressed in pixels. Laying it all out, it looks like this:"
"As you might have noticed in my explanations, “Resolution” stands for PPI, in this case “109” but not “2560x1440”, like you might commonly see everywhere on the web."
"Asking someone what the size of a pixel is is a good way to confuse him or her because it’s a trick question. A pixel has no size, no physical value or meaning outside of its mathematical representation. It is a part of a relationship between the physical screen size, expressed in inches, the screen resolution, expressed in pixel per inches and the pixel screen size, expressed in pixels. Laying it all out, it looks like this:"
"As you might have noticed in my explanations, “Resolution” stands for PPI, in this case “109” but not “2560x1440”, like you might commonly see everywhere on the web."