The 4×6 photo size equals 4 × 6 inches or roughly 10.16 × 15.24 centimeters. For high-quality printing at 300 DPI resolution, the recommended image size is about 1200 × 1800 pixels. Using the correct resolution helps ensure that printed photos remain sharp, clear, and free from pixelation. https://clippingexpertasia.com/blog/how-big-is-a-4x6-photo/