Piano chord
F♯ diminished 7 chord
F♯dim7 is a diminished seventh chord: the root F♯, a minor 3rd up to A, a diminished 5th up to C and a diminished 7th up to E♭.
- Symbol
- F♯dim7
- 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♭
Diminished seventh chords stack three minor thirds. Every note is the same distance apart, which makes them very tense and a favourite for dramatic moments.
Inversions of F♯dim7
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♯dim7/A
A – C – E♭ – F♯
- 2nd inversion · F♯dim7/C
C – E♭ – F♯ – A
- 3rd inversion · F♯dim7/E♭
E♭ – F♯ – A – C
Keys with F♯dim7
F♯dim7 doesn't occur naturally in a major or natural minor key. It's used as a colour chord, borrowed or altered.