MobileChords
All chordsKeysSongs

Cm7♭5

Half-dim · C – E♭ – G♭ – B♭

Open Cm7♭5 in the interactive finder →

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

Guitar voicings

EADGBeCE♭B♭CG♭
x31312
EADGBeCE♭B♭E♭G♭
x31342
5frEADGBeCE♭B♭CG♭B♭
868576
5frEADGBeCE♭B♭CG♭C
868578

Piano

CC4C5C6

About the Cm7♭5 chord

The Cm7♭5 chord (half-dim) is made up of 4 notes — C is the root, E♭ the minor third, G♭ the diminished fifth and B♭ the minor seventh. It is a diminished triad topped with a minor seventh, which is why it is also called half-diminished.

On guitar, Cm7♭5 chords sit higher up the neck: x31312, around the 1st fret. Leave the low E string out and strum the rest. The diagrams above show 4 playable voicings in all.

Half-diminished chords are moody and jazzy — most often the ii chord in a minor key.

Open Cm7♭5 in the interactive finder →

Common questions

What notes are in the Cm7♭5 chord?
The Cm7♭5 chord contains the notes C, E♭, G♭ and B♭.
How do you play Cm7♭5 on guitar?
A common shape is x31312. The diagrams above show 4 playable voicings you can strum or hear.
What intervals make up the Cm7♭5 chord?
The Cm7♭5 chord is built from the root (C), a minor third (E♭), a diminished fifth (G♭) and a minor seventh (B♭).

More than a chord chart

The chart above is just the start. Open Cm7♭5 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.