What does the 4×6 photo format mean?

The 4×6 format is a 4″ x 6″ photograph. According to Visuals Clipping, this is a standard print size for common photographs, as it is a good size for visibility and compact storage. It is easy to fit in numerous albums, frames and display areas. It is frequently used for portraits, photos taken in travel, family portraits, and casual photos. It is essential to check the aspect ratio of the image before printing to avoid unwanted crop.