Piano chord · Triads
A diminished chord on piano
Right hand: A (1), C (3), E♭ (5)
How to play Adim on piano: the keys to press, which fingers to use, inversions and how it’s written on the staff.
Tense and unstable — it usually wants to resolve up by a half step.
Adim is the vii° chord in B♭ major. In minor keys: ii° in G minor.
- Notes
- ACE♭
- Formula
- 1♭3♭5
- Built from
- root · minor 3rd · diminished 5th
Piano
Root position · numbers are finger numbers
How to play it
Right handA1 · thumbC3 · middleE♭5 · pinky
Left handA5 · 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 Adim on piano
On piano, Adim has one black key (E♭) and two white keys.