C°7 chord on 6-String Guitar – Open Am

in Open Am (E-A-E-A-C-E) tuning

✕○3142CF#AD#F#
C°7
Diminished 7
Notes:C · D# · F# · A
mediumfret 2
Piano Left hand Right hand
CCCAD#F#
ShapeFretsFingersNotesDifficulty
x 3 2 0 3 2– 3 1 – 4 2x C F# A D# F#medium
x 3 2 x 3 5– 2 1 – 3 4x C F# x D# Ahard
x 3 5 6 6 x– 1 2 3 4 –x C A D# F# xmedium
8 6 5 0 6 x4 2 1 – 3 –C D# A A F# xmedium
8 6 8 0 6 x3 1 4 – 2 –C D# C A F# xmedium
8 9 8 0 9 111 2 1 – 3 4C F# C A A D#medium · barre on fret 8
11 0 11 9 0 112 – 3 1 – 4D# A D# F# C D#medium
x 3 2 0 3 x– 2 1 – 3 –x C F# A D# xeasy
x 3 5 x 3 2– 2 4 – 3 1x C A x D# F#hard
x 3 x 6 6 5– 1 – 3 4 2x C x D# F# Ahard
x x 8 6 6 5– – 4 2 3 1x x C D# F# Amedium
8 6 x 0 6 83 1 – – 2 4C D# x A F# Chard
8 9 8 0 0 111 2 1 – – 3C F# C A C D#medium · barre on fret 8
11 9 11 0 0 112 1 3 – – 4D# F# D# A C D#medium
x 3 2 0 3 5– 2 1 – 3 4x C F# A D# Amedium
x 3 2 6 x 5– 2 1 4 – 3x C F# D# x Ahard

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