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Dim & aug familyvii° in B major

B♭ diminished chord

B♭dim

B♭ diminished

Piano root position

  • Root
  • ♭3
  • ♭5

Guitar standard tuning

Fret 1

No barre: each note has its own finger.

E×ADGBe×12345B♭F♭B♭D♭

Finger: 1 index, 2 middle, 3 ring, 4 little

Notation treble clef

𝄞♭♭♭

Intervals

12 semitones
  1. B♭1
  2. ♭2
  3. 2
  4. D♭♭3
  5. 3
  6. 4
  7. F♭♭5
  8. 5
  9. ♯5
  10. 6
  11. ♭7
  12. 7
  • B♭ Root
  • D♭ Minor 3rd
  • F♭ Diminished 5th

About this chord

What is a B♭ diminished chord?

B♭dim is built from 3 notes: B♭ (the root), D♭ (the ♭3), F♭ (the ♭5). Two minor thirds: tight, tense and unstable.

Notes
B♭ · D♭ · F♭
Formula
1 · ♭3 · ♭5
Also written
B♭° · B♭o
Found in
vii° in B major · ii° in G♯ minor · vii° in B harmonic minor

Scales that contain B♭dim

Neighbours

Chords close to B♭dim

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All 348 chords

Every chord type on every root, each with its own page.

C

D♭

D

E♭

E

F

G♭

G

A♭

A

B♭

B