A° chord on 6-String Guitar – B Standard

in B Standard (B-E-A-D-F#-B) tuning

✕✕○121AD#AC
A°
Diminished
Notes:A · C · D#
mediumbarre on fret 1
Piano Left hand Right hand
AAACD#
ShapeFretsFingersNotesDifficulty
x x 0 1 3 1– – – 1 2 1x x A D# A Cmedium · barre on fret 1
x 5 3 7 3 4– 3 1 4 1 2x A C A A D#hard · barre on fret 3
x 5 0 7 6 4– 2 – 4 3 1x A A A C D#medium
x 5 6 7 6 x– 1 2 4 3 –x A D# A C xmedium
10 8 6 7 6 x4 3 1 2 1 –A C D# A C xhard · barre on fret 6
x 8 0 7 9 x– 2 – 1 3 –x C A A D# xmedium
x 8 0 10 9 10– 1 – 3 2 4x C A C D# Amedium
x x 0 10 9 10– – – 2 1 3x x A C D# Aeasy
10 11 12 10 x x1 2 3 1 – –A D# A C x xmedium · barre on fret 10
x x 0 1 x 1– – – 1 – 2x x A D# x Ceasy
x 5 3 x 3 4– 4 1 – 2 3x A C x A D#hard
x x 0 7 6 4– – – 3 2 1x x A A C D#medium
x 5 6 x 6 x– 1 2 – 3 –x A D# x C xeasy
10 8 6 10 6 x3 2 1 4 1 –A C D# C C xhard · barre on fret 6
x 8 0 7 9 10– 2 – 1 3 4x C A A D# Amedium
10 8 0 10 9 x3 1 – 4 2 –A C A C D# xmedium

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