Many printers can take paper in a variety of different sizes. If you're in the United States or Canada, standard printer paper dimensions for most documents is that of the standard letter paper ...

But when you visit an office supply store, there isn’t a wealth of options. The standard paper size is 8.5 inches wide by 11 inches long. Which invites a bit of pulpy pondering: Who decided that?

The #A4waist challenge - in which women compare the size of their waists to the width of a standard A4 sheet of paper - started in China and prompted a huge online backlash. But what do some of ...