That’s because it’s the best way to enlarge 35mm film pictures. Croppingīig printing services often prefer printing in the 4×6 size. It comes up when you want to print a 4×6 picture. There are a few problems to keep in mind with this standard picture size. That’s why you find most photo albums in this size! It is also the most common size for 35mm prints. That means most digital viewfinders are the same ratio. So this 3:2 ratio is what most digital camera sensors use. And digital camera sensors have been made in the same way as the old film cameras. The 4×6 print size mirrors the aspect ratio of 35mm film cameras. It’s the standard size of photos in modern photography. You find the 4×6 aspect ratio everywhere in photography. You can view the actual size of 4×6 on the PilliApp website.ĭigital viewfinder in 4×6 (3:2) ratio Why is 4×6 the Most Common Aspect Ratio? Pixels (The values change depending on the image’s DPI.) : So it’s worth knowing its precise measurements! Dimensions of 4×6 are the most common photo format you will encounter. Let’s take a close look at a 4×6 photo actual size.