One twip is 1/1440 inch or 17.639 µm when derived from the PostScript point at 72 to the inch, and 1/1445.4 inch or 17.573 µm based on the printer's point at 72.27 to the inch. In digital imaging, a pixel (short for a pic ture el ement) is a physical point in a raster image, or the smallest, addressable element in a display device. QMKnsS.

cat este 1 inch