Piano Reference: A diminished chord (Adim) & A diminished 7th Chord (Adim7)

    Interactive piano reference to the A diminished chord, abbreviated as Adim or . The A diminished chord consists of the notes A, C and E♭. The 2 inversions to the A diminished chord 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♭.

    In the root position, the A diminished chord has the A as the root, the C as the minor third and the E♭ as the diminished fifth. With the A diminished 7th chord there's the addition of G♭ as the diminished seventh.

    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

    lookup a different chord:

    C majorD majorE majorF majorG majorA majorB majorC majorD majorF majorG majorA major

    C minorD minorE minorF minorG minorA minorB minor C minorD minorF minorG minorA minor

    C dimD dimE dimF dimG dimB dim C dimD dimF dimG dimA dim


    piano samples

    The piano samples used here are from “ Salamander Grand Piano V3 ” by Alexander Holm, licensed under CC BY 3.0.

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