root position: Bdim
B – D – F · RH 1-3-5, LH 5-3-1
Bdim Piano Chord
The B diminished chord (Bdim) is made of the notes B, D and F. Its formula is 1 – ♭3 – ♭5.
Notes in Bdim
| Note | Formula | Interval from root |
|---|---|---|
| B | 1 | root |
| D | ♭3 | minor 3rd |
| F | ♭5 | diminished 5th |
How to play Bdim on piano
- Right hand: fingers 1-3-5
- Left hand: fingers 5-3-1
Fingers are numbered from the thumb (1) to the little finger (5).
Bdim inversions
1st inversion: Bdim/D
D – F – B · RH 1-2-5, LH 5-3-1
2nd inversion: Bdim/F
F – B – D · RH 1-3-5, LH 5-2-1
Other names for Bdim
Bdim is also written as B°, Bmb5, Bm♭5.