C°7 chord on 6-String Guitar – CGDGBD (Open G Low C)

in CGDGBD (Open G Low C) tuning

Root

Type

Tuning

C°7

Diminished 7

Notes:C · D# · F# · A

mediumbarre on fret 2

Piano Left hand Right hand

Fingerings (16)

C°7 shapes as text

Frets	Fingers	Notes	Difficulty
0 2 4 2 4 4	– 1 2 1 3 4	C A F# A D# F#	medium · barre on fret 2
x 5 4 2 4 x	– 4 2 1 3 –	x C F# A D# x	medium
3 x 7 5 7 x	1 – 3 2 4 –	D# x A C F# x	hard
0 5 4 5 4 7	– 2 1 3 1 4	C C F# C D# A	medium · barre on fret 4
0 5 7 8 7 x	– 1 2 4 3 –	C C A D# F# x	medium
6 x 10 8 10 x	1 – 3 2 4 –	F# x C D# A x	hard
0 8 7 8 7 7	– 2 1 3 1 1	C D# A D# F# A	easy · barre on fret 7
0 8 10 11 10 x	– 1 2 4 3 –	C D# C F# A x	medium
0 2 4 2 4 x	– 1 2 1 3 –	C A F# A D# x	medium · barre on fret 2
x 5 x 2 4 4	– 4 – 1 2 3	x C x A D# F#	hard
3 5 7 x 7 x	1 2 3 – 4 –	D# C A x F# x	hard
x 5 4 5 4 7	– 2 1 3 1 4	x C F# C D# A	medium · barre on fret 4
0 8 7 5 7 x	– 4 2 1 3 –	C D# A C F# x	medium
6 8 10 x 10 x	1 2 3 – 4 –	F# D# C x A x	hard
0 8 7 8 7 x	– 2 1 3 1 –	C D# A D# F# x	easy · barre on fret 7
0 11 10 8 10 x	– 4 2 1 3 –	C F# C D# A x	medium

Max fret: 12

Fingerings shown: 16

The C°7 chord (Diminished 7) is built from the notes C, D#, F#, A. Below are playable fingerings for 6-String Guitar – CGDGBD (Open G Low 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

Degree	Semitones	Note
1	0	C
♭3	3	D#
♭5	6	F#
6	9	A

More C chords

C Cm C7 C°C+C9 Cmaj7 Cm7 C7♯5 C7♭5 C6 Cm6 Cm7♭5 Csus2 Csus4 Cadd9 Cmaj9 Cm9 C5

Other roots

C#°7 D°7 D#°7 E°7 F°7 F#°7 G°7 G#°7 A°7 A#°7 B°7

See C°7 in another tuning

Standard E E-A-D-G-B-E Half Step Down (Eb) D#-G#-C#-F#-A#-D#Drop D D-A-D-G-B-E Open D D-A-D-F#-A-D Open G D-G-D-G-B-D CGDGBD (Open G Low C) C-G-D-G-B-D DADGAD (D Modal) D-A-D-G-A-D

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.