A° chord on 6-String Guitar – Open D

in Open D (D-A-D-F#-A-D) tuning · Also known as Vestapol, Sebastopol, DADF#AD

✕○1231AD#ACD#
A°
Diminished
Notes:A · C · D#
mediumbarre on fret 1
Piano Left hand Right hand
AAACD#
ShapeFretsFingersNotesDifficulty
x 0 1 3 3 1– – 1 2 3 1x A D# A C D#medium · barre on fret 1
7 3 7 3 6 x3 1 4 1 2 –A C A A D# xhard · barre on fret 3
7 6 7 6 6 72 1 3 1 1 4A D# A C D# Amedium · barre on fret 6
7 0 7 9 0 101 – 2 3 – 4A A A D# A Cmedium
10 0 10 9 0 102 – 3 1 – 4C A C D# A Cmedium
x 0 1 3 3 x– – 1 2 3 –x A D# A C xmedium
7 3 x 3 6 x4 1 – 2 3 –A C x A D# xhard
7 6 7 6 0 72 1 3 1 – 4A D# A C A Amedium · barre on fret 6
7 0 10 9 0 71 – 4 3 – 2A A C D# A Amedium
x 0 10 9 0 10– – 2 1 – 3x A C D# A Ceasy
x x x 3 3 1– – – 2 3 1x x x A C D#medium
7 3 x 6 6 x4 1 – 2 3 –A C x C D# xhard
7 6 7 6 6 x2 1 3 1 1 –A D# A C D# xeasy · barre on fret 6
7 0 10 9 0 101 – 3 2 – 4A A C D# A Cmedium
10 0 10 9 0 x2 – 3 1 – –C A C D# A xeasy
x 0 x 3 3 1– – – 2 3 1x A x A C D#hard

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

Formula: 1 · ♭3 · ♭5

DegreeSemitonesNote
10A
♭33C
♭56D#

More A chords

Other roots

See A° in another tuning

What notes make up the A° chord?

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

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.