Bbdim chord
Bb diminished · also written A#dim
C4
Bb
C5
Db
Fb
Want it in context? Open Bbdim on the full piano.
Notes
- BbR
- Dbb3
- Fbb5
Formula: R – b3 – b5
Bbdim inversions
The same notes, with a different note in the bass.
Root position Bbdim
C4
Bb
C5
Db
Fb
1st inversion Bbdim/Db
C5
Db
Fb
Bb
C6
2nd inversion Bbdim/Fb
C5
Fb
Bb
C6
Db
More Bb chords
Diminished chords in other keys
FAQ
What notes are in the Bbdim chord?
The Bb diminished chord (Bbdim) has 3 notes: Bb, Db and Fb.
How do you play Bbdim on the piano?
Put your right hand on Bb, Db and Fb, starting from Bb. A common fingering for three-note chords is thumb (1), middle finger (3) and little finger (5).
What is the formula of a diminished chord?
R – b3 – b5 (in semitones from the root: 0, 3, 6).
Is Bbdim the same as A#dim?
Yes. Bb and A# are the same key on the piano (enharmonic), so Bbdim and A#dim sound the same.