Bdim piano chord (B diminished)

B – D – F

Formula 1 – ♭3 – ♭5

BDF

Bdim inversions

An inversion keeps the same notes but puts a different one at the bottom. Use them to move to the next chord with the smallest hand movement.

Root position Bdim

B – D – F

BDF

1st inversion Bdim/D

D – F – B

DFB

2nd inversion Bdim/F

F – B – D

FBD

Keys that contain Bdim

Other B chords

← B♭dim · Cdim →

Bdim chord questions

What notes are in the B diminished chord?

Bdim is B, D, F. Its formula is 1 – ♭3 – ♭5, counted from the root B.

How do you play Bdim on piano?

With the right hand in root position, play B–D–F using fingers 1, 3 and 5 (thumb on B). With the left hand, use fingers 5, 3 and 1 from the bottom.

What are the inversions of Bdim?

Root position: B–D–F; 1st inversion: D–F–B; 2nd inversion: F–B–D.

Which keys contain Bdim?

Bdim occurs naturally in C major (as vii°), A minor (as ii°).