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Cdim7

Dim 7 · C – E♭ – G♭ – A

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hear it, browse voicings, or tap notes to name any chord

Guitar voicings

EADGBeCE♭ACG♭
x31212
EADGBeCE♭AE♭G♭
x31242
5frEADGBeCE♭ACG♭A
867575
5frEADGBeCE♭ACG♭C
867578

Piano

CC4AC5C6

About the Cdim7 chord

The Cdim7 chord (dim 7) is made up of 4 notes — C is the root, E♭ the minor third, G♭ the diminished fifth and A the diminished seventh. Four notes sit a minor third apart in a fully symmetrical stack, so it can slide anywhere.

On guitar, Cdim7 chords sit higher up the neck: x31212, around the 1st fret. Leave the low E string out and strum the rest. The diagrams above show 4 playable voicings in all.

Diminished seventh chords are symmetrical and restless, handy for dramatic passing motion.

Open Cdim7 in the interactive finder →

Common questions

What notes are in the Cdim7 chord?
The Cdim7 chord contains the notes C, E♭, G♭ and A.
How do you play Cdim7 on guitar?
A common shape is x31212. The diagrams above show 4 playable voicings you can strum or hear.
What intervals make up the Cdim7 chord?
The Cdim7 chord is built from the root (C), a minor third (E♭), a diminished fifth (G♭) and a diminished seventh (A).

More than a chord chart

The chart above is just the start. Open Cdim7 in the finder to hear it on guitar and piano and browse every playable voicing side by side. Or switch to Name my chord — tap frets or keys and MobileChords identifies the chord you're playing, inversions and slash chords included.