Adim7 piano chord (A diminished 7th)

A – C – E♭ – G♭

Formula 1 – ♭3 – ♭5 – 𝄫7

ACE♭G♭

Adim7 inversions

An inversion keeps the same notes but puts a different one at the bottom. Use them to move to the next chord with the smallest hand movement.

Root position Adim7

A – C – E♭ – G♭

ACE♭G♭

1st inversion Adim7/C

C – E♭ – G♭ – A

CAE♭G♭

2nd inversion Adim7/E♭

E♭ – G♭ – A – C

ACE♭G♭

3rd inversion Adim7/G♭

G♭ – A – C – E♭

ACG♭E♭

Adim7 chord questions

What notes are in the A diminished 7th chord?

Adim7 is A, C, E♭, G♭. Its formula is 1 – ♭3 – ♭5 – 𝄫7, counted from the root A.

How do you play Adim7 on piano?

With the right hand in root position, play A–C–E♭–G♭ using fingers 1, 2, 3 and 5 (thumb on A). With the left hand, use fingers 5, 3, 2 and 1 from the bottom.

What are the inversions of Adim7?

Root position: A–C–E♭–G♭; 1st inversion: C–E♭–G♭–A; 2nd inversion: E♭–G♭–A–C; 3rd inversion: G♭–A–C–E♭.