Piano chord

    B diminished chord

    Bdim is a diminished triad: the root B, a minor 3rd up to D and a diminished 5th up to F.

    Symbol
    Bdim
    Notes
    B – D – F

    Play it yourself

    Tap B, D and F on the keys below, in any order.

    • B
    • D
    • F
    0 of 3 notes

    Diminished chords sound tense and unstable, as if they want to move on. In a major key the diminished chord is the one built on the seventh note, and it usually leads back home.

    Inversions of Bdim

    An inversion keeps the same notes but puts a different one at the bottom. Pianists use them to move between chords with less jumping.

    • Root position

      B – D – F

    • 1st inversion · Bdim/D

      D – F – B

    • 2nd inversion · Bdim/F

      F – B – D

    Keys with Bdim

    Bdim occurs naturally in these keys. The Roman numeral shows which step of the scale it is built on.

    Questions