Eighth note

musical note duration

The eighth note (also called a quaver) is a note used in musical notation. It is ​18 the duration of a whole note (semibreve), which is where it gets its name. In the time signature it has a length of ​12 of a beat.

An eighth note with stem extending up, an eighth note with stem extending down, and an eighth rest.
Four eighth notes beamed together.