At 8.3 x 11.7" (210x297mm), A4 paper is slightly narrower and a little longer than "A" size 8.5 x 11" paper (216x279mm). The A4 is part of the ISO "A Series," where A0, the first dimension ...

Until now, the A4 was a rather upright, solid, sensible sedan, while the A5 was its sleeker, sportier, sexier sibling. Going ...