Find the right photo print size with this practical guide to 11×14, 20×30, 24×36, A4 and A3. Compare dimensions in inches and centimeters, aspect ratios, pixel requirements and megapixels at 300 and 150 PPI. Learn how viewing distance affects sharpness, when to crop or add borders, how to prepare files, choose frames and mats, and avoid common printing mistakes. https://fixphotolab.com/blog/photo-print-sizes/