DPI / PPI Calculator
Work out the physical print size of any pixel dimensions, or the pixel dimensions a print size needs, at any resolution. Use PPI when thinking about your image; DPI refers to the printer's ink dots.
This calculator uses PPI (pixels per inch). DPI is a printer setting; the two terms are often used interchangeably in everyday conversation about printing.
Frequently asked questions
Is DPI the same as PPI?
Not exactly. PPI (pixels per inch) describes how many pixels your digital image has per inch of print. DPI (dots per inch) describes how many ink dots the printer lays down. In everyday conversation about printing photos, the two terms are used interchangeably, and this calculator uses PPI because it is the value that connects pixel dimensions to physical print size.
What PPI should I use?
300 PPI is the standard for close-up photo prints, 240 PPI still gives excellent quality, and 150 PPI is often acceptable for larger prints viewed from a distance. Use the quality checker if you want a verdict for your specific print.
Can I print bigger than this calculator suggests?
You can physically print any image at any size. Below roughly 150 PPI, however, the print usually starts to look soft up close. The calculated sizes are practical guidance for quality, not a hard physical limit.