16:9

16:9 (1.77:1 = 42:32) is an aspect ratio with a width of 16 units and a 
height of 9. Since 2010 it has become the most common aspect ratio for televisions and computer monitors and is also the international standard format of HDTV, Full HD, non-HD digital television and analog widescreen television. This has replaced the old 4:3 aspect ratio.
Category:What is this