Abdim7 chord
Ab diminished 7th · also written G#dim7
C4
Ab
Cb
C5
D
F
Want it in context? Open Abdim7 on the full piano.
Notes
- AbR
- Cbb3
- Db5
- F6
Formula: R – b3 – b5 – 6
Abdim7 inversions
The same notes, with a different note in the bass.
Root position Abdim7
C4
Ab
Cb
C5
D
F
1st inversion Abdim7/Cb
C4
Cb
C5
D
F
Ab
2nd inversion Abdim7/D
C5
D
F
Ab
Cb
C6
3rd inversion Abdim7/F
C5
F
Ab
Cb
C6
D
More Ab chords
Diminished 7th chords in other keys
FAQ
What notes are in the Abdim7 chord?
The Ab diminished 7th chord (Abdim7) has 4 notes: Ab, Cb, D and F.
How do you play Abdim7 on the piano?
Put your right hand on Ab, Cb, D and F, starting from Ab. A common fingering for three-note chords is thumb (1), middle finger (3) and little finger (5).
What is the formula of a diminished 7th chord?
R – b3 – b5 – 6 (in semitones from the root: 0, 3, 6, 9).
Is Abdim7 the same as G#dim7?
Yes. Ab and G# are the same key on the piano (enharmonic), so Abdim7 and G#dim7 sound the same.