B°7 chord on 6-String Guitar – Open Am
in Open Am (E-A-E-A-C-E) tuning
B°7
Diminished 7
Notes:B · D · F · G#
Piano Left hand Right hand
Fingerings (16)
B°7 shapes as text
| Shape | Frets | Fingers | Notes | Difficulty |
|---|---|---|---|---|
| x 2 1 x 2 4 | – 2 1 – 3 4 | x B F x D G# | hard | |
| x 2 4 5 5 x | – 1 2 3 4 – | x B G# D F x | medium | |
| x x 7 5 5 4 | – – 4 2 3 1 | x x B D F G# | medium | |
| 7 5 x 8 8 x | 2 1 – 3 4 – | B D x F G# x | hard | |
| x x 7 8 8 10 | – – 1 2 3 4 | x x B F G# D | medium | |
| x 8 10 11 11 x | – 1 2 3 4 – | x F D G# B x | medium | |
| x 2 4 x 2 1 | – 2 4 – 3 1 | x B G# x D F | hard | |
| x 2 x 5 5 4 | – 1 – 3 4 2 | x B x D F G# | hard | |
| 7 x 4 5 5 4 | 4 – 1 2 3 1 | B x G# D F G# | hard · barre on fret 4 | |
| 7 8 x 5 8 x | 2 3 – 1 4 – | B F x D G# x | hard | |
| 7 8 7 x 8 10 | 1 2 1 – 3 4 | B F B x G# D | hard · barre on fret 7 | |
| x 11 10 8 11 x | – 3 2 1 4 – | x G# D F B x | medium | |
| x 2 1 5 x 4 | – 2 1 4 – 3 | x B F D x G# | hard | |
| x 5 4 2 5 x | – 3 2 1 4 – | x D G# B F x | medium | |
| 7 5 4 8 x x | 3 2 1 4 – – | B D G# F x x | hard | |
| x 5 7 8 8 x | – 1 2 3 4 – | x D B F G# x | medium |
The B°7 chord (Diminished 7) is built from the notes B, D, F, G#. 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 B°7 chord is built
Formula: 1 · ♭3 · ♭5 · 6
| Degree | Semitones | Note |
|---|---|---|
| 1 | 0 | B |
| ♭3 | 3 | D |
| ♭5 | 6 | F |
| 6 | 9 | G# |
More B chords
Other roots
See B°7 in another tuning
What notes make up the B°7 chord?
B°7 is a Diminished 7 chord built from the notes B, D, F, G#.
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.