This is because higher PPI counts result in high-quality prints, and lower PPI counts result in lower-quality prints, all else being equal. Whereas, the 900 PPI print would look (generally speaking) crisp and clear and stunning. Or it could create a 9 by 9 inches, 100 PPI image.īut if you were to examine these two prints side-by-side–a 900 PPI print and a 100 PPI print–you’d notice a clear difference in quality. Which brings me to the next question: How Many PPI Is Enough?Įvery image has the capacity for plenty of different PPI prints.įor instance, an image that’s 900 pixels by 900 pixels could create a 1 inch by 1 inch, 900 PPI image. It’s what you’ll use when you determine what size print you can reasonably make, and how to size your images before printing. So if you print a 300 PPI image, the printer may take 600 or 1200 dots to print a one inch strip of 300 pixels.ĭon’t be! PPI is the important term here. Why not just pick dots per inch and use it all the time? Why is it necessary to talk about pixels per inch? Because a printer’s dots don’t necessarily correspond to an image’s pixels.īest Printers for Art Prints Best A3 Photo Printers in 2024 Other printers can print at 1200 DPI, which means that a print will have 1200 dots of ink in a single inch, also lengthwise and heightwise. What, then, is the point of DPI? PPI vs DPIĪs I mentioned above, pixels per inch is a way to refer to pixel density on digital displays.ĭots per inch, however, is a term to describe printer capabilities and print outputs.įor instance, some printers can print at 600 DPI, which means that a print made with that printer will have 600 dots of ink in a single inch, both lengthwise and heightwise. So if you had an image that was 600 pixels tall, and you printed at 300 PPI, you’d end up with a print that is 2 inches tall (because 600 pixels at 300 pixels per inch gives you 2 inches in total). Once you print an image, you’ll need to start talking about dots per inch, or DPI (more on that later).īut photographers and printers often do talk about PPI as a way to reference image resolution before sending it off to a printer (and this is very useful).įor instance, you might say that an image has 300 ppi, meaning that 300 pixels will ultimately go into a single inch of your final print. However, computer monitors have a PPI–in fact, it’s a set PPI that cannot change, no matter how many times you change the PPI in an editing program. A print doesn’t really have a PPI measurement because it’s not made up of pixels. Note that pixels per inch only applies to images displayed digitally. Specifically, if you look at an inch of an image and counted the pixels lengthwise or heightwise, that would be your PPI measurement. Pixels per inch is a common way to refer to pixel density (in other words, the number of pixels in a set area). Yet, you might be wondering: What exactly is pixels per inch? How do you measure it? PPI: The Key Measurement of Pixel Density Now, I’ve thrown around some pixels per inch language above. But print resolution thinks about detail in a different context–the context of a physical print–whereas digital image resolution thinks about detail in terms of pixels per image, or pixels per inch. Ultimately, then, resolution really is all about detail. More pixels make for more detail, and more detail equals more resolution. So, when a camera takes an image, it records a certain number of pixels. And when discussed in terms of display output, digital image resolution is often discussed in terms of PPI, or pixels per inch. Now, resolution in printing is different from digital image resolution.ĭigital image resolution refers to the number of pixels an image file contains. If you took a strong enough magnifying glass or microscope, and you examined a standard photo print, you’d see plenty of tiny dots, each corresponding to different colors in an image. After all, a print is literally just thousands of tiny dots, all blending to create a lifelike image when viewed from a certain distance.
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