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What is the optimal resolution for printing posters larger than 8”x10”?


The minimum resolution for an 8”x10” printed at 250 dpi (Dots per inch) would be 2000 x 2500 pixels (5MP) with a file size of approximately 3.5MB. To print larger, a higher resolution would be required. A 24MP image (4000×6000) can print as large as 16”x24” at 250 dpi with file sizes of up to 10-15MB.