Cdim chord on guitar

Cdim is the C diminished chord. Its notes are C, E♭ and G♭. A compact, tense triad. Every interval in this voicing is a chord tone.

How to play Cdim

Root on A string

×EADGB×e

x3454x

Numbers show frets from the low E string to the high e string; x means don't play that string.

What's in Cdim

Formula
1 · ♭3 · ♭5
Also written
Cdim, C°
Chord type
Diminished

Keys that use Cdim

Cdim is the vii° chord in D♭ major. That makes it a natural fit in songs written in those keys.

Cdim notes across the neck

open123456789101112G♭CE♭CE♭G♭E♭G♭CCE♭G♭CE♭G♭G♭CE♭

Every C, E♭ and G♭ on the first 12 frets. The filled dots are the root, C. Build your own shape from any nearby group.

Related chords

Other C chords

Other diminished chords

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