What is the standard photo size for professional printing? The professional [proper photo size](https://pixifyo.com/blog/standard-photo-sizes/) of photos often employs sizes such as 4 × 6 inches, 5 × 7 inches, and 8 × 10 inches. For optimal printing of images, it is important to ensure that the resolution of the image is about 300 pixels per inch. The use of [Pixifyo](https://pixifyo.com/) assists firms to produce visual content with design and photography services. Always make sure to verify the dimensions, resolution, color options, and aspect ratio of the image before submitting it for printing.