A diminished Chord (Adim) & A diminished 7th (Adim7) on Piano & Guitar

    A piano keyboard reference for the A diminished chord, abbreviated as Adim or .

    The A diminished triad consists of the notes A, C and E. The 2 inversions to the A diminished triad are C E A and E A C.

    The A diminished 7th chord, abbreviated as Adim7 or A°7, has the notes A, C, E and G. The 3 inversions to the A diminished 7th chord are C E G A, E G A C and G A C E.

    The intervals of the A diminished chord are the root (A) , minor third (C) and diminished fifth (E). With the A diminished 7th chord, there's an additional diminished seventh (G).

    🎸 You can also jump to guitar chord diagrams for the A diminished and A diminished7th chords in common positions on the guitar fretboard. You'll find both open chords and/or barre chords.

    A diminished Chord on Piano

    A diminished chord

    notes: A C E

    • A
    • C
    • E

    A diminished 1st inversion

    notes: C E A

    • C
    • E
    • A

    A diminished 2nd inversion

    notes: E A C

    • E
    • A
    • C

    A diminished 7th chord

    notes: A C E G

    • A
    • C
    • E
    • G

    A diminished 7th 1st inversion

    notes: C E G A

    • C
    • E
    • G
    • A

    A diminished 7th 2nd inversion

    notes: E G A C

    • E
    • G
    • A
    • C

    A diminished 7th 3rd inversion

    notes: G A C E

    • G
    • A
    • C
    • E

    🎸 A diminished Chord Guitar Diagrams

    Below you'll find guitar chord diagrams for common chord positions of the A diminished chord and the A diminished 7th chord, along with finger positions or note names.

    show:
    orientation:

    A diminished 7th Guitar Chords

    1 Index finger
    2 Middle finger
    3 Ring finger
    4 Pinky

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    Piano Samples

    The piano samples used for this A diminished chord reference are from “ Salamander Grand Piano V3 ” by Alexander Holm, licensed under CC BY 3.0.

    Circle of fifths with major and minor keys adgcfebDAEBGCF mini circle of fifths