Piano chord · Triads
A♯ diminished chord on piano
Right hand: A♯ (1), C♯ (3), E (5)
How to play A♯dim 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.
A♯dim is the vii° chord in B major. In minor keys: ii° in G♯ minor.
- Notes
- A♯C♯E
- Formula
- 1♭3♭5
- Built from
- root · minor 3rd · diminished 5th
Piano
Root position · numbers are finger numbers
How to play it
Right handA♯1 · thumbC♯3 · middleE5 · 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♯dim on piano
On piano, A♯dim has two black keys (A♯ and C♯) and one white key.