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Difference between DPI and Pixels

Difference between DPI and Pixels

There seems to be some confusion about the difference between DPI and pixels. In order to help clear things up, I will explain the difference and provide some examples. DPI is a measure of how many dots are printed per inch, while pixels are the smallest unit of displayable information on a screen. A higher DPI means that there are more dots on the page, resulting in a sharper image. However, increasing the resolution on your device by changing the number of pixels does not necessarily mean that you are increasing the DPI. For example, an iPhone has a resolution of 640×1136 pixels but only has a DPI of 326. Conversely, an iPad has a resolution of 1024×768 pixels but a DPI of 132.

What is DPI?

DPI stands for dots per inch. It’s a measure of how dense a printed image is, and it directly affects the quality of the print. The higher the DPI, the crisper and more detailed the print will be. When printing photos or other images, a high DPI is essential for getting good results. However, DPI isn’t the only factor that determines print quality. The type of paper you use, the quality of your printer, and even the climate can all affect the final product. But if you’re looking for great prints, aim for a high DPI to get started.

What is Pixel?

A pixel is the smallest unit of a digital image or graphic. It is also sometimes used to refer to a single point in a display device. Pixels are usually arranged in a regular 2-dimensional grid and are often represented using dots or squares. Each pixel has a specific position in the grid and is assigned a color value. The color values of adjacent pixels are often similar, and this creates the illusion of continuity when viewed from a distance. However, if one looks closely at a digital image, the individual pixels will be visible.

Difference between DPI and Pixels

When it comes to digital images, the terms DPI and Pixels are often used interchangeably, but they actually refer to two different things. DPI stands for dots per inch, and it refers to the resolution of a printer. The higher the DPI, the more dots of ink the printer can lay down per inch, which results in a higher quality image. Pixels, on the other hand, refer to the individual elements that make up a digital image. The term Pixel is short for picture element, and each pixel is a tiny dot of color. When you zoom in on a digital image, you can see the individual pixels that make up the image. Together, these pixels create the final picture. The number of pixels in an image determines its RESOLUTION-that is, how many details the image can contain. A high-resolution image will have more pixels than a low-resolution image, and as a result, it will be crisper and clearer. So when you’re talking about digital images, remember that DPI refers to printers and Pixels refer to pictures.


In short, DPI measures the quality of an image, while pixels are the building blocks that create an image. When it comes to understanding the difference between DPI and pixels, it’s important to remember that more isn’t always better. You may need a higher DPI if you plan on printing your images out or displaying them in a high-resolution format, but for most online applications, 72 dpi should be sufficient.

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