Piano chord
F♯ half-diminished chord
F♯m7♭5 is a half-diminished seventh chord: the root F♯, a minor 3rd up to A, a diminished 5th up to C and a minor 7th up to E.
- Symbol
- F♯m7♭5
- Notes
- F♯ – A – C – E
Play it yourself
Tap F♯, A, C and E on the keys below, in any order.
- F♯
- A
- C
- E
Half-diminished chords are a diminished triad with a minor seventh on top. They are the ii chord in minor keys and lead strongly to the dominant.
Inversions of F♯m7♭5
An inversion keeps the same notes but puts a different one at the bottom. Pianists use them to move between chords with less jumping.
- Root position
F♯ – A – C – E
- 1st inversion · F♯m7♭5/A
A – C – E – F♯
- 2nd inversion · F♯m7♭5/C
C – E – F♯ – A
- 3rd inversion · F♯m7♭5/E
E – F♯ – A – C
Keys with F♯m7♭5
F♯m7♭5 occurs naturally in these keys. The Roman numeral shows which step of the scale it is built on.