MobileChords
All chordsKeysSongs

C♯dim7

Dim 7 · C♯ – E – G – B♭

Open C♯dim7 in the interactive finder →

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

Guitar voicings

EADGBeC♯EB♭C♯G
x42323
EADGBeC♯EB♭EG
x42353
EADGBeC♯GB♭C♯
x45320
6frEADGBeC♯EB♭C♯GB♭
978686

Piano

C4EGC5C6

About the C♯dim7 chord

The C♯dim7 chord (dim 7) is made up of 4 notes — C♯ is the root, E the minor third, G the diminished fifth and B♭ the diminished seventh. Four notes sit a minor third apart in a fully symmetrical stack, so it can slide anywhere.

On guitar, C♯dim7 chords sit higher up the neck: x42323, around the 2nd 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 C♯dim7 in the interactive finder →

Common questions

What notes are in the C♯dim7 chord?
The C♯dim7 chord contains the notes C♯, E, G and B♭.
How do you play C♯dim7 on guitar?
A common shape is x42323. The diagrams above show 4 playable voicings you can strum or hear.
What intervals make up the C♯dim7 chord?
The C♯dim7 chord is built from the root (C♯), a minor third (E), a diminished fifth (G) and a diminished seventh (B♭).
Is C♯dim7 the same as D♭dim7?
Yes — C♯ and D♭ are two names for the same pitch (enharmonic equivalents), so C♯dim7 and D♭dim7 are the same chord. MobileChords spells it C♯dim7.

More than a chord chart

The chart above is just the start. Open C♯dim7 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.