5/4
# 5/4

5/4 may refer to:

* May 4 (month-day date notation)
* 5 April (day-month date notation)
* $^5$ $_4,$ a time signature containing five quarter notes per measure, see quintuple meter
* Just major third
* "5/4", a song (with the above time signature) by Sunny Day Real Estate from their 1995 album Sunny Day Real Estate
* "5/4" (song), a song by Gorillaz from their 2001 album Gorillaz
* "5/4", an instrumental song by Rammstein from their 2002 single Mutter
* Five-quarter, or 1+1⁄4″, a common lumber dimension
