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A Diminished Chord (Adim)

Notes: A, C, E♭. Tap any diagram to hear it.

Adim
Notes
ACE♭
Formula
1 – ♭3 – ♭5

Adim on guitar

Fret 4 · most common
x-x-7-5-4-5
Fret 7
x-x-7-8-10-8
Fret 11
x-0-13-14-13-11

Strings from low (left) to high (right). Numbers are fingers: 1 index, 2 middle, 3 ring, 4 pinky. × = don’t play, ○ = open string.

Adim on ukulele

Fret 2 · most common
2-3-5-3
Fret 6
8-9-8-6

Adim on piano

Other A chords

AAmA7Amaj7Am7Asus2Asus4AaugA6Am6A9Aadd9A7sus4Am7♭5Adim7

Diminished chords in other keys

CdimC♯dimDdimE♭dimEdimFdimF♯dimGdimA♭dimB♭dimBdim

About the A Diminished chord

Diminished chords are built from two minor thirds. They sound tense and unstable and are often used as passing chords. Adim is built from the root (A), minor third (C), diminished fifth (E♭).

Frequently asked questions

What notes are in the A Diminished chord?

The Adim chord is made of A, C, E♭: the root, minor third, diminished fifth.

How do you play Adim on guitar?

The most common fingering is x-x-7-5-4-5, from the low E string to the high E string (x = don’t play that string, 0 = open string).

How do you play Adim on piano?

Press A, C, E♭ together. In root position the lowest note is A.