C°7 chord on 6-String Guitar – Open C

in Open C (C-G-C-G-C-E) tuning

○12131CAD#AD#F#
C°7
Diminished 7
Notes:C · D# · F# · A
easybarre on fret 2
Piano Left hand Right hand
CCCAD#F#
ShapeFretsFingersNotesDifficulty
0 2 3 2 3 2– 1 2 1 3 1C A D# A D# F#easy · barre on fret 2
x 5 3 2 3 2– 4 2 1 3 1x C D# A D# F#medium · barre on fret 2
x 5 3 x 6 5– 2 1 – 4 3x C D# x F# Ahard
0 5 6 8 6 5– 1 2 4 3 1C C F# D# F# Amedium · barre on fret 5
0 8 6 8 9 x– 2 1 3 4 –C D# F# D# A xmedium
0 8 9 11 9 8– 1 2 4 3 1C D# A F# A Cmedium · barre on fret 8
0 11 9 11 9 11– 2 1 3 1 4C F# A F# A D#medium · barre on fret 9
0 2 0 2 3 2– 1 – 2 4 3C A C A D# F#medium
x 5 3 2 6 2– 3 2 1 4 1x C D# A F# F#hard · barre on fret 2
x 5 6 x 3 5– 2 4 – 1 3x C F# x D# Ahard
0 8 6 5 6 5– 4 2 1 3 1C D# F# C F# Amedium · barre on fret 5
0 8 9 8 6 x– 2 4 3 1 –C D# A D# F# xmedium
0 11 9 8 9 8– 4 2 1 3 1C F# A D# A Cmedium · barre on fret 8
0 11 0 11 9 11– 2 – 3 1 4C F# C F# A D#medium
0 2 3 2 0 2– 1 4 2 – 3C A D# A C F#medium
x 5 6 2 3 2– 3 4 1 2 1x C F# A D# F#hard · barre on fret 2

The C°7 chord (Diminished 7) is built from the notes C, D#, F#, A. Below are playable fingerings for 6-String Guitar – Open C generated for your selected tuning, ordered from open-position shapes up the neck. Tap a diagram to hear it, or switch to the piano view to see the same harmony on keys.

How the C°7 chord is built

Formula: 1 · ♭3 · ♭5 · 6

DegreeSemitonesNote
10C
♭33D#
♭56F#
69A

More C chords

Other roots

See C°7 in another tuning

What notes make up the C°7 chord?

C°7 is a Diminished 7 chord built from the notes C, D#, F#, A.

How do I read the diagram?

Strings run left to right from the lowest to the first string; the numbers show which finger presses each fret. An ○ marks an open string, an ✕ marks a muted one.