Every scale and chord, every instrument, one screen.

Bbdim chord (B flat diminished) on piano

Bbdim (B flat diminished) has three notes: B flat, D flat and F flat. Its formula is 1, b3, b5. In major keys, Bbdim is the vii° chord in B major.

Bbdim inversions and fingering

FbBbDb
Root position
Bb Db Fb · RH 1-3-5 · LH 5-3-1
FbDbBb
First inversion
Db Fb Bb · RH 1-2-5 · LH 5-3-1
FbBbDb
Second inversion
Fb Bb Db · RH 1-3-5 · LH 5-2-1

Hear it and see every shape in ScaleSpace →

Bbdim chord facts
SymbolBbdim
Also writtenBb°, Bbo
NotesBb Db Fb
Formula1 b3 b5
Intervalsroot, minor third, tritone
TypeDiminished chord

Bbdim across the keyboard

C3C4C5Fbb5Fbb5Dbb3Bb1Dbb3Bb1

Piano, C3 to C5. Notes in this scale, low to high: Db3 (flat 3), Fb3 (flat 5), Bb3 (1), Db4 (flat 3), Fb4 (flat 5), Bb4 (1).

Swipe the chart sideways to see all of it.

Questions

What notes are in the Bbdim chord?

Bbdim (B flat diminished) has three notes: B flat, D flat and F flat. Its formula is 1, b3, b5. Bb is the root, Db is the minor third and Fb is the tritone.

How do you play Bbdim on piano?

Play Bb, Db and Fb together. Root position: Bb Db Fb · RH 1-3-5 · LH 5-3-1.

What key is Bbdim in?

In major keys, Bbdim is the vii° chord in B major. It is diatonic to those keys, so it fits songs in any of them.

What is the difference between Bbdim and Bbm?

Bbdim is Bbm with its 5th lowered a half step, from F to Fb. That flat 5th is what gives it its tense sound.