root position: Fdim7
F – A♭ – C♭ – E𝄫
Fdim7 Piano Chord
The F diminished 7 chord (Fdim7) is made of the notes F, A♭, C♭ and E𝄫. Its formula is 1 – ♭3 – ♭5 – 𝄫7.
Notes in Fdim7
| Note | Formula | Interval from root |
|---|---|---|
| F | 1 | root |
| A♭ | ♭3 | minor 3rd |
| C♭ | ♭5 | diminished 5th |
| E𝄫 | 𝄫7 | diminished 7th |
How to play Fdim7 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).
Fdim7 inversions
1st inversion: Fdim7/Ab
A♭ – C♭ – E𝄫 – F
2nd inversion: Fdim7/Cb
C♭ – E𝄫 – F – A♭
3rd inversion: Fdim7/Ebb
E𝄫 – F – A♭ – C♭
Other names for Fdim7
Fdim7 is also written as F°7.
Keys that contain Fdim7
Fdim7 is not one of the basic chords of any major or minor key. It is usually used as a passing or colour chord.