C°7 chord on 7-String Guitar

in Standard B (B-E-A-D-G-B-E) tuning

○✕✕1324CF#AD#A
C°7
Diminished 7
Notes:C · D# · F# · A
medium
Piano Left hand Right hand
CCCAD#F#
ShapeFretsFingersNotesDifficulty
1 2 0 1 2 x x1 3 – 2 4 – –C F# A D# A x xmedium
x x 3 4 2 4 2– – 2 3 1 4 1x x C F# A D# F#medium · barre on fret 2
x x 3 4 x 4 5– – 1 2 – 3 4x x C F# x D# Ahard
x 5 0 4 5 4 5– 2 – 1 3 1 4x A A F# C D# Amedium · barre on fret 4
x 8 6 x 5 7 5– 4 2 – 1 3 1x C D# x C F# Ahard · barre on fret 5
x 8 6 7 x 7 x– 4 1 2 – 3 –x C D# A x F# xhard
x 8 9 7 8 7 x– 2 4 1 3 1 –x C F# A D# F# xmedium · barre on fret 7
x 8 9 10 8 10 8– 1 2 3 1 4 1x C F# C D# A Cmedium · barre on fret 8
10 11 9 10 x x x2 4 1 3 – – –A D# F# C x x xmedium
x x x 10 11 10 11– – – 1 2 1 3x x x C F# A D#easy · barre on fret 10
1 2 3 1 2 1 x1 2 4 1 3 1 –C F# C D# A C xmedium · barre on fret 1
x x 3 4 2 4 x– – 2 3 1 4 –x x C F# A D# xmedium
4 5 3 4 x x x2 4 1 3 – – –D# A C F# x x xmedium
x x 0 4 5 4 5– – – 1 2 1 3x x A F# C D# Aeasy · barre on fret 4
x 5 6 7 5 7 5– 1 2 3 1 4 1x A D# A C F# Amedium · barre on fret 5
7 8 6 7 x x x2 4 1 3 – – –F# C D# A x x xmedium

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

Standard B B-E-A-D-G-B-E
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.