B dim

The B dim chord consists of the B (Perfect unison), D (Minor third) and F (Diminished fifth) notes.

Piano keyboard showing the notes for a B dim chord

How to play the B dim chord

  1. Find B (Root) on the piano keyboard
  2. Add D (Minor third) — 3 semitones above B
  3. Add F (Diminished fifth) — 6 semitones above B
  4. Press all 3 notes simultaneously to sound the B dim chord

Related slash chords