are dots per inch and pixels per inch the same?
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The terms Dots Per Inch (DPI) and Pixels Per Inch (PPI) are commonly used interchangeably to describe the resolution of an image.
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Assuming the pixel density is 96 dpi, there are 96 pixels per inch. We know that 1 inch is equal to 2.54 cm. So there are 96 pixels per 2.54 cm. Than 1 pixel = (2.54 / 96) cm.
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A pt is 1/72 of an in, and a px is 1/96 of an in. A px is therefore 0.75 pt [source]. In CSS, everything is somewhat abstracted, so a unit such as a "pt" is not necessarily one point in physical size, especially on a screen, an "in" is not necessarily one inch in size, and so forth.
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The pixel (a word invented from "picture element") is the basic unit of programmable color on a computer display or in a computer image. Think of it as a logical - rather than a physical - unit. The physical size of a pixel depends on how you've set the resolution for the display screen.
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Work at 300DPI Files destined for print should be set to 300 DPI (dots per inch). Simply put, the more dots that make up the image, the higher the resolution. More printed dots in an inch means a higher-quality reproduction. If your resolution is too low, you're going to end up with a blurred and pixelated poster.
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Bitmap (or raster) images are stored as a series of tiny dots called pixels. Each pixel is actually a very small square that is assigned a color, and then arranged in a pattern to form the image. When you zoom in on a bitmap image you can see the individual pixels that make up that image.
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All files must have a minimum resolution of 300 dpi (dots per inch). Images with a resolution less than 300 dpi will reproduce poorly on press (the image will look fuzzy and/or pixilated). ... Below are examples of a low resolution (72 dpi) file and a high resolution (300 dpi) file.
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So 1 pt = 1/72 inch. Therefore, on a 72 ppi display, 1 point = 1 pixel. A pt is 1/72 of an in, and a px is 1/96 of an in. ... In CSS, everything is somewhat abstracted, so a unit such as a "pt" is not necessarily one point in physical size, especially on a screen, an "in" is not necessarily one inch in size, and so forth.
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Simply put, CPI is an acronym for Counts Per Inch, and often mislabeled as DPI, or Dots Per Inch. In other words, with a CPI setting of 800, a one-inch movement of your mouse moves your cursor 800 pixels. The vast majority of professional gamers use CPI settings below 3000.
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In a digital image, the number of pixels are represented by the DPI (or PPI) and the width x height dimensions. For instance, a 2000 x 2000 pixels image at 72 DPI, has 4,000,000 total pixels.
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A twip is defined as being 1/1440 of an inch. A pixel is a screen-dependent unit, standing for 'picture element'. A pixel is a dot that represents the smallest graphical measurement on a screen. Twips are the default unit of measurement in Visual Basic (version 6 and earlier, prior to VB.NET).
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Pixel: This is the smallest building block of your screen. Resolution: This is refers to the size of the pixel. The smaller the pixel, the higher the resolution. ... PPI: (or Pixels Per Inch) This is the number of square pixels that show up in an inch of a digital screen.
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The terms Dots Per Inch (DPI) and Pixels Per Inch (PPI) are commonly used interchangeably to describe the resolution of an image. ... PPI refers to the number of pixels contained within one inch of an image displayed on a computer monitor.
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Pixel density Now, the resolution is expressed in dpi (or ppi), which is the acronym for dots (or pixels) per inch. So, if you see 72 dpi it means that the image will have 72 pixels per inch; if you see 300 dpi means 300 pixels per inch, and so on.
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Small Icons – 16 x 16 pixels. List – 16 x 16 pixels. Details – 16 x 16 pixels. Tiles – 48 x 48 pixels.
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They're kind of the same thing, but also kind of different. Let me explain. Pixels are “picture elements”; they are, in effect, the smallest unit a screen can display. Dots are the smallest thing a printer can print, and that's why pixels and dots are similar; they're the smallest possible element.
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dp - Density-independent Pixels - An abstract unit that is based on the physical density of the screen. These units are relative to a 160 dpi (dots per inch) screen, on which 1dp is roughly equal to 1px.