Piano chord · Sevenths
A♭ diminished 7th chord on piano
Right hand: A♭ (1), C♭ (2), E𝄫 (3), G𝄫 (5)
How to play A♭dim7 on piano: the keys to press, which fingers to use, inversions and how it’s written on the staff.
Symmetrical and very tense — every note is a minor 3rd apart.
A♭dim7 is the vii°7 chord in A minor.
- Notes
- A♭C♭E𝄫G𝄫
- Formula
- 1♭3♭5𝄫7
- Built from
- root · minor 3rd · diminished 5th · diminished 7th
Piano
Root position · numbers are finger numbers
How to play it
Right handA♭1 · thumbC♭2 · indexE𝄫3 · middleG𝄫5 · pinky
Left handA♭5 · pinkythe root, an octave lower
Finger numbers: 1 thumb · 2 index · 3 middle · 4 ring · 5 pinky. Inversions use the same notes with a different one on the bottom — they help you move smoothly between chords. Tap any key to hear it.
Tips for playing A♭dim7 on piano
On piano, A♭dim7 has one black key (A♭) and three white keys.
Notice the C♭ in A♭dim7 (A♭ C♭ E𝄫 G𝄫): each note of the chord takes its own letter (A–C–E–G), so the minor 3rd has to be written C♭ rather than B — the same key on a piano, spelled to fit the chord.
