A° chord on 6-String Guitar – Open F
in Open F (C-F-C-F-A-F) tuning
A°
Diminished
Notes:A · C · D#
Piano Left hand Right hand
Fingerings (16)
A° shapes as text
| Shape | Frets | Fingers | Notes | Difficulty |
|---|---|---|---|---|
| 0 4 3 4 3 4 | – 2 1 3 1 4 | C A D# A C A | medium · barre on fret 3 | |
| x 4 3 4 3 4 | – 2 1 3 1 4 | x A D# A C A | medium · barre on fret 3 | |
| x 4 0 4 6 4 | – 1 – 2 4 3 | x A C A D# A | medium | |
| 9 7 0 7 6 x | 4 2 – 3 1 – | A C C C D# x | medium | |
| 9 7 9 7 0 10 | 2 1 3 1 – 4 | A C A C A D# | medium · barre on fret 7 | |
| 9 10 0 10 0 10 | 1 2 – 3 – 4 | A D# C D# A D# | medium | |
| x x 12 10 0 10 | – – 3 1 – 2 | x x C D# A D# | medium | |
| x 4 3 4 0 7 | – 2 1 3 – 4 | x A D# A A C | hard | |
| x 4 3 4 3 x | – 2 1 3 1 – | x A D# A C x | easy · barre on fret 3 | |
| x 4 0 4 6 x | – 1 – 2 3 – | x A C A D# x | medium | |
| x x 9 7 6 7 | – – 4 2 1 3 | x x A C D# C | medium | |
| 9 7 0 7 0 10 | 3 1 – 2 – 4 | A C C C A D# | medium | |
| 9 10 0 10 0 x | 1 2 – 3 – – | A D# C D# A x | easy | |
| x x 12 10 0 x | – – 2 1 – – | x x C D# A x | medium | |
| x 4 3 7 0 4 | – 2 1 4 – 3 | x A D# C A A | hard | |
| x 4 3 4 3 7 | – 2 1 3 1 4 | x A D# A C C | hard · barre on fret 3 |
The A° chord (Diminished) is built from the notes A, C, D#. Below are playable fingerings for 6-String Guitar – Open F 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
| Degree | Semitones | Note |
|---|---|---|
| 1 | 0 | A |
| ♭3 | 3 | C |
| ♭5 | 6 | D# |
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.