B Diminished Seventh Chord

Also known as:
B Diminished 7th , Bdim7 , Bo7

The B Diminished Seventh Chord has a diminished quality which is made by stacking minor Third intervals creating a minor Third, a diminished (lowered or flattened) Fifth that together produce a dark, tense sound. B Diminished Seventh Chord contains the notes B, D, F, A. The B Diminished Seventh Chord is a Seventh type chord which means it consists of a Triad (the Root B, the Third D, and the Fifth F) and the Seventh A.

Below you will find the B Diminished Seventh Chord notes, notation, degrees, intervals, related scales and chords, and more.

Notes

B, D, F, A

Notation

Degrees

NoteNumberName
B1Tonic
D3Mediant
F5Dominant
A7Subtonic

Intervals

NotesSemitonesInterval
B > B0Perfect Unison (P1)
B > D3minor 3rd (m3)
B > F6Diminished 5th (d5 or Tritone)
B > A9Diminished 7th (d7)

Scales related to B Diminished Seventh Chord

Same Spellings

Scales that include all of the notes of the B Diminished Seventh Chord.

viio Chord of C Harmonic Minor Scale

iiio Chord of G Phrygian Dominant Mode

Different Spellings

Scales that include different spellings of all the notes of the B Diminished Seventh Chord.

viio Chord of B♯ Harmonic Minor Scale

Chords related to B Diminished Seventh Chord

Enharmonic Equivalent

Chord with the same root and notes as the B Diminished Seventh Chord but different spelling.

C Diminished Seventh Chord

Same Root Note

Chords that include the same notes (in any spelling) as the B Diminished Seventh Chord and have the same root note.

No matches found

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