Abdim Piano Chord

The A flat diminished chord (A♭dim) is made of the notes A♭, C♭ and E𝄫. Its formula is 1 – ♭3 – ♭5.

Tap the keyboard to hear A♭dim.

Notes in A♭dim

Note	Formula	Interval from root
A♭	1	root
C♭	♭3	minor 3rd
E𝄫	♭5	diminished 5th

How to play A♭dim on piano

Right hand: fingers 1-3-5
Left hand: fingers 5-3-1

Fingers are numbered from the thumb (1) to the little finger (5).

A♭dim inversions

root position: Abdim

A♭ – C♭ – E𝄫 · RH 1-3-5, LH 5-3-1

1st inversion: Abdim/Cb

C♭ – E𝄫 – A♭ · RH 1-2-5, LH 5-3-1

2nd inversion: Abdim/Ebb

E𝄫 – A♭ – C♭ · RH 1-3-5, LH 5-2-1

Other names for Abdim

A♭dim is also written as A♭dim, Ab°, A♭°, Abmb5, A♭m♭5, G#dim, G♯dim, G#°, G♯°, G#mb5, G♯m♭5.

Keys that contain A♭dim

A major (G♯dim is the vii° chord)
F♯ minor (G♯dim is the ii° chord)

More A flat chords

Diminished chords in every key