root position: F#dim7
F♯ – A – C – E♭
F#dim7 Piano Chord
The F sharp diminished 7 chord (F♯dim7) is made of the notes F♯, A, C and E♭. Its formula is 1 – ♭3 – ♭5 – 𝄫7.
Notes in F♯dim7
| Note | Formula | Interval from root |
|---|---|---|
| F♯ | 1 | root |
| A | ♭3 | minor 3rd |
| C | ♭5 | diminished 5th |
| E♭ | 𝄫7 | diminished 7th |
How to play F♯dim7 on piano
- Right hand: fingers 1-2-3-5
- Left hand: fingers 5-3-2-1
Fingers are numbered from the thumb (1) to the little finger (5).
F♯dim7 inversions
1st inversion: F#dim7/A
A – C – E♭ – F♯
2nd inversion: F#dim7/C
C – E♭ – F♯ – A
3rd inversion: F#dim7/Eb
E♭ – F♯ – A – C
Other names for F#dim7
F♯dim7 is also written as F♯dim7, F#°7, F♯°7, Gbdim7, G♭dim7, Gb°7, G♭°7.
Keys that contain F♯dim7
F♯dim7 is not one of the basic chords of any major or minor key. It is usually used as a passing or colour chord.