Click "File" in the menu bar on top, then click "Open" to select your image file located on your system. Launch the photoshop application on a PC/Mac.
#Photo resolution calculator how to#
How to set the DPI of an image to 150 dpi using Photoshop. When your project requires printing larger quantities on an offset press, a resolution of 300dpi is required. One thing to note for simplicity sake, our examples with 150DPI are for large format printing. To print this image at its highest quality which is at 150 DPI, the image comprised of 3000x2400 pixels must be printed at a size of 3000 px ÷ 150 dpi = 20 inches wide by 2400 px ÷ 150 dpi = 16 inches high. To further clarify, let’s take our previous image with pixel dimensions of 3000x2400 pixels. In the printing industry, the term resolution can be used interchangeably to describe dots per inch, or defined in the pixel dimensions. What this means is that for every 1 inch of the printed image, either width wise or height wise, there are 150 pixels in that measured row or column of pixels. When printing high quality & detailed images for large format lenticular, a DPI of 150 is ideal & recommended. DPI (also known as ppi) is an abbreviation for dots (or pixels) per inch and it’s used to define the print resolution.
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