Bdim7 chord on Piano, Guitar, and Ukulele

The B diminished seventh chord (abbreviated "Bdim7 chord") is a four-note chord consisting of the notes B, D, F, and A♭. The chord is formed by adding a diminished seventh to a B diminished chord.

Name

B diminished seventh chord

Synonym

B fully diminished chord

Notes

B D F A♭

Intervals

1 ♭3 ♭5 ♭♭7

Chord symbol

B^o7

Alternative symbols

B^dim7 B^dim B^o

Type

Tetrad (four-note chord)

Bdim7 chord

Bdim7 chord on piano

Bdim7 chord on guitar

Bdim7 chord on ukulele

Bdim7 chord on the staff