Should You Choose the 5x7 Format for Your Photo Prints?
https://cyme.io/photographer-blog/5x7-photo-format/
WEBAt 300 PPI, considered high resolution for quality prints, the 5×7 photo format is 1500 pixels by 2100 pixels. At 150 PPI, often used for standard quality prints, this results in 750 pixels by 1050 pixels. At 72 PPI, typical for computer screens and considered for digital display, the format is 360 pixels by 504 pixels.
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