4:3

(redirected from 1.33:1)

4:3

A standard-definition TV screen. The 4:3 is the ratio of width to height of the screen on earlier TV sets and computer monitors. The 4:3 ratio can also be expressed as the ratio 1.33:1. Contrast with "16:9," the common wide screen HDTV ratio. See aspect ratio and HDTV.