root position: Bbdim
B♭ – D♭ – F♭ · RH 1-3-5, LH 5-3-1
The B flat diminished chord (B♭dim) is made of the notes B♭, D♭ and F♭. Its formula is 1 – ♭3 – ♭5.
| Note | Formula | Interval from root |
|---|---|---|
| B♭ | 1 | root |
| D♭ | ♭3 | minor 3rd |
| F♭ | ♭5 | diminished 5th |
Fingers are numbered from the thumb (1) to the little finger (5).
B♭ – D♭ – F♭ · RH 1-3-5, LH 5-3-1
D♭ – F♭ – B♭ · RH 1-2-5, LH 5-3-1
F♭ – B♭ – D♭ · RH 1-3-5, LH 5-2-1
B♭dim is also written as B♭dim, Bb°, B♭°, Bbmb5, B♭m♭5, A#dim, A♯dim, A#°, A♯°, A#mb5, A♯m♭5.