C diminished Chord (Cdim) & C diminished 7th (Cdim7) on Piano & Guitar

    A piano keyboard reference for the C diminished chord, abbreviated as Cdim or C°.

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

    The C diminished 7th chord, abbreviated as Cdim7 or C°7, has the notes C, E♭, G♭ and B♭♭. The 3 inversions to the C diminished 7th chord are E♭ G♭ B♭♭ C, G♭ B♭♭ C E♭ and B♭♭ C E♭ G♭.

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

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

    C diminished Chord on Piano

    C diminished chord

    notes: C E♭ G♭

    • C
    • E♭
    • G♭

    C diminished 1st inversion

    notes: E♭ G♭ C

    • E♭
    • G♭
    • C

    C diminished 2nd inversion

    notes: G♭ C E♭

    • G♭
    • C
    • E♭

    C diminished 7th chord

    notes: C E♭ G♭ B♭♭

    • C
    • E♭
    • G♭
    • A

    C diminished 7th 1st inversion

    notes: E♭ G♭ B♭♭ C

    • E♭
    • G♭
    • A
    • C

    C diminished 7th 2nd inversion

    notes: G♭ B♭♭ C E♭

    • G♭
    • A
    • C
    • E♭

    C diminished 7th 3rd inversion

    notes: B♭♭ C E♭ G♭

    • A
    • C
    • E♭
    • G♭

    🎸 C diminished Chord Guitar Diagrams

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

    show:
    orientation:

    C 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 C 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