Six String Guitar · Standard Tuning (EADGBE)

Cø11C Half-Diminished 11th

CRoot
D♯tone
F♯tone
A♯tone
Dtone
Ftone

Formula 1 · ♭3 · ♭5 · ♭7 · 2 · 4  ·  Notes C · D♯ · F♯ · A♯ · D · F

How to play it

Cø11 fingering positions

Standard Tuning (EADGBE), low E on the left. Each dot is colour-coded by note — the ringed dot is the root. Numbers below show the fret per string (x = muted).

C Half-Diminished 11th guitar chord — 7th position (8 8 8 8 7 10) fretboard diagram in Standard Tuning (EADGBE)
C Half-Diminished 11th guitar chord — 19th position (20 20 20 20 19 22) fretboard diagram in Standard Tuning (EADGBE)
Read it as tab

Cø11 guitar tab

The same voicings in tablature — high e on top, low E on the bottom. Each fret number is colour-coded by note; the ringed number is the root, × means don’t play that string.

C Half-Diminished 11th guitar tab — 7th position (8 8 8 8 7 10) in Standard Tuning (EADGBE)
C Half-Diminished 11th guitar tab — 19th position (20 20 20 20 19 22) in Standard Tuning (EADGBE)
Sound

How Cø11 sounds

Consonance
1/ 5
Brightness
DarkBright
Character

Moods & genres

Moods
murkyunresolved
Genres
jazz
Theory

Notes & relationships

NotesC · D♯ · F♯ · A♯ · D · F
Formula (scale degrees)1 · ♭3 · ♭5 · ♭7 · 2 · 4
Same notes asCm11♭5Cø9(add11)
Explore

More ways to play C Half-Diminished 11th

Browse the rest of the C chords in this tuning, or open Cø11 in the app for every voicing.

Cø11 in other tunings:

Drop DDrop COpen AOpen GHalf-Step Down

See & hear Cø11 in Chordology

The app shows every voicing across guitar, piano, bass, banjo and ukulele — in any tuning, with a capo, and you can play every chord back. All offline.

Hear every chordMore voicingsEvery tuning & capoWorks offline
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