An image will display on screen at whatever pixel dimensions it is set at.
Number of Pixels = Size in Inches ∗ PPI = 163 PPI. If you dont have Photoshop, you can use free Irfanview to change image DPI. For instance, 800 pixels wide x 600 high. Now, next to Resolution, type in your preferred resolution, set as Pixels/Inch. Uncheck Resample Image, because this setting will upscale your image, which will make it lower quality. The following formula gives the number of pixels, horizontally or vertically, given the physical size of a format and the pixels per inch of the output: How do I change the DPI in Photoshop To change an image’s DPI in Photoshop, go to Image > Image Size. Since most digital hardware devices use dots or pixels, the size of the media (in inches) and the number of pixels (or dots) are directly related by the 'pixels per inch'.
never needs to be any more difficult than that. To change an image’s DPI in Photoshop, go to Image > Image Size. How to Change DPI in Photoshop Elements Open the desired image in Photoshop. if client says 8.5" x 11" - this is just a matter of 8.5 x 300 = 2550.