However, pixels are different sizes on different displays, so the answer is 58.74 pixels per inch on a 75-inch 4K television, for example, but 440.58 pixels per inch on a 5"-inch full HD smartphone ...

To “upscale” an image, follow steps 1 to 4 above, and then: Make sure Resample image is checked. Either enter a new dimension in units (inches, cm, or mm) or a new pixel width or height.

Good quality photographs usually require 300 pixels per inch, at 100% size, when printed onto coated paper stock, using a printing screen of 150 lines per inch (lpi). This delivers a quality ...

Amazon Kindle 2022 – The lightest and most compact Kindle, now with a 300 ppi high-resolution display for sharp text and images. – Read comfortably with a glare-free, paper-like display.