F Diminished Guitar Chord

also known as Fdim, F°

  • your first finger goes on the first fret of the third string
  • your second finger goes on the first fret of the first string
  • your fourth finger goes on the third fret of the fourth string
  • the second string is open
  • the fifth and sixth strings are muted
Diagram of an F diminished guitar chord at the open position

Notes in an F Diminished Guitar chord

Root : F

Minor 3rd : A♭

Tritone : B