B Diminished Piano Chord

Root
B
Min 3rd
D
b 5th
F
E
G
B
D
F
F
A
C
E
B
D
F

The Notes in a B Diminished Chord

The Root

This is one is easy. All you have to do to find the root of a chord is look at the name of the chord. It's the first part of the name! If it's a B Diminished chord, the root is B!

The Min 3rd

The minor third of a B Diminished chord is D. The minor third is up three half-steps from the Root.

Finding D from B step by step:

  • Start on: B
  • Step 1: move up to C
  • Step 2: move up to C#
  • Step 3: Land on D
Min 3rd
D
Root
B
1
2
  • C is a minor second above B.
  • C# is a major 2nd above B.
  • D is a minor third above B.

The b 5th

The flat fifth of a B Diminished chord is F. The flat fifth is down six half-steps from the Root -- but it's easier to just think of it as a variation on the fifth. Once you know your fifths, the flat fifth and sharp fifth are a lot easier to find.

Finding F from B step by step:

  • Start on: B
  • Step 1: move down to A#
  • Step 2: move down to A
  • Step 3: move down to G#
  • Step 4: move down to G
  • Step 5: move down to F#
  • Step 6: Land on F
b 5th
F
Root
B
1
2
3
4
5
  • A# is a minor second below B.
  • A is a major 2nd below B.
  • G# is a minor third below B.
  • G is a major third below B.
  • F# is a fourth below B.
  • F is a flat fifth below B.

The Inversions of B Diminished

Root Position

Root
B
Min 3rd
D
b 5th
F
E
G
B
D
F
F
A
C
E
B
D
F

1st Inversion

Min 3rd
D
b 5th
F
Root
B
E
G
B
D
F
F
A
C
E
D
F
B

2nd Inversion

b 5th
F
Root
B
Min 3rd
D
E
G
B
D
F
F
A
C
E
F
B
D

Other B Chords