There are plenty of misconceptions about the number of pixels, resolution, image size and so on, which can make us quite confused sometimes. To make things worse, the terms DPI (dots per inch) and PPI (pixels per inch) are often used interchangeably, which makes the understanding even more difficult.
Essentially, DPI is important for printers. It’s a number of color dots printer uses to reproduce colors of the image. It’s also used for screen resolution, although PPI can also refer to screens as well. PPI applies to everything in relation to resolution and the size of a digital image.
In this video, you will see a brief explanation about DPI and how important is this value for printing big formats. How big is big enough? Does size matter at all?
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