Two parameters define a raster image's file size, and these are the number of pixels in the image and the bit depth of each pixel. However, you can even approximate a compressed image file size using this calculator if you know the image file's resulting bit depth. It's also worth noting that this image file size calculator only determines the file sizes of uncompressed images. Vector image attributes can vary an incredible amount, just like how you can express a mathematical graph with a variety of different mathematical equations. However, this image file size calculator can only determine the file sizes of raster images. These "graphs" also refresh every time we scale or zoom a vector image, making us always see smooth lines and curves with consistent colors and details. Displaying a vector image is like graphing these equations on a cartesian plane every time we open the image file. You can think of it as a list of mathematical equations that we can graph on a cartesian plane. Unlike raster images that store data for each pixel in an image, vector images store data as a compilation of these equations representing each of the said attributes. On the other hand, vector images consist of attributes like curves, paths, shapes, line or stroke thicknesses, colors, etc., that are stored in formulas or equations. (You might wanna take a look at our ppi calculator.) A raster image with a high pixel count, or resolution, lets us zoom in on the picture up a significant amount before we start to see the individual pixels that comprise it. Pictures with more pixels tend to show more details and more quality, especially when trying to zoom in on that image.
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