G° chord on 6-String Guitar – Open Am

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

Root

Type

Tuning

G°

Diminished

Notes:G · A# · C#

mediumbarre on fret 1

Piano Left hand Right hand

Fingerings (16)

G° shapes as text

Frets	Fingers	Notes	Difficulty
3 1 3 1 1 3	2 1 3 1 1 4	G A# G A# C# G	medium · barre on fret 1
3 4 6 4 x x	1 2 4 3 – –	G C# A# C# x x	medium
x 4 6 4 7 6	– 1 2 1 4 3	x C# A# C# G A#	medium · barre on fret 4
x 10 6 x 7 9	– 4 1 – 2 3	x G A# x G C#	hard
x 10 9 10 10 9	– 2 1 3 4 1	x G C# G A# C#	medium · barre on fret 9
3 1 3 1 1 x	2 1 3 1 1 –	G A# G A# C# x	medium · barre on fret 1
3 4 3 4 x 6	1 2 1 3 – 4	G C# G C# x A#	hard · barre on fret 3
6 4 6 4 7 x	2 1 3 1 4 –	A# C# A# C# G x	medium · barre on fret 4
x 10 6 x 10 9	– 3 1 – 4 2	x G A# x A# C#	hard
x 10 9 10 10 x	– 2 1 3 4 –	x G C# G A# x	medium
3 1 3 4 1 x	2 1 3 4 1 –	G A# G C# C# x	medium · barre on fret 1
3 4 6 x x x	1 2 3 – – –	G C# A# x x x	medium
x 4 6 4 7 x	– 1 2 1 3 –	x C# A# C# G x	medium · barre on fret 4
x 10 6 10 x 9	– 3 1 4 – 2	x G A# G x C#	hard
x x x 10 10 9	– – – 2 3 1	x x x G A# C#	easy
x x 3 1 1 3	– – 3 1 2 4	x x G A# C# G	medium

Max fret: 12

Fingerings shown: 16

The G° chord (Diminished) is built from the notes G, A#, C#. 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 G° chord is built

Formula: 1 · ♭3 · ♭5

Degree	Semitones	Note
1	0	G
♭3	3	A#
♭5	6	C#

More G chords

G Gm G7 G+G9 Gmaj7 Gm7 G7♯5 G7♭5 G6 Gm6 Gm7♭5 G°7 Gsus2 Gsus4 Gadd9 Gmaj9 Gm9 G5

Other roots

C°C#°D°D#°E°F°F#°G#°A°A#°B°

See G° 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 Open Am E-A-E-A-C-E DADGAD (D Modal) D-A-D-G-A-D

What notes make up the G° chord?

G° is a Diminished chord built from the notes G, A#, C#.

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.