The F# Half-Diminished Seventh Chord

The F#m7b5 chord is a half-diminished seventh chord. Half-diminished seventh chords are mainly used as a second-scale degree in a minor key or minor cadence, or with dominant function in a major key.

Fingering the F#m7b5 Chord

  • Use your middle finger on the 2nd fret of the low E string
  • Place your ring finger on the 2nd fret of the G string
  • Place your index finger on the 1st fret of the B string
  • Strum all the strings together, but mute the A and D string with your middle finger

Chord Attributes

  • Intervals: 1 – b3 – b5 – b7
  • Notes: F# – A – C – E
  • Chord Symbols: F#m7b5, F#o7, F#dim7