B Diminished Seventh Chord on Piano
Also known as:
B Diminished 7th , Bdim7 , Bo7
Here you can learn how to play B Diminished Seventh Chord on the Piano. 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 on Piano 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 notes, notation, degrees and intervals of the B Diminished Seventh Chord along with any related scales and chords. In the Piano view you can display the notes of the B Diminished Seventh Chord mapped out onto the Piano keyboard and switch between the notes, degrees, intervals. These are shown across two octaves to help visualise the different inversions of the chord.
Notes
B, D, F, A♭
Notation
Degrees
| Note | Number | Name |
|---|---|---|
| B | 1 | Tonic |
| D | ♭3 | Mediant |
| F | ♭5 | Dominant |
| A♭ | 7 | Subtonic |
Intervals
| Notes | Semitones | Interval |
|---|---|---|
| B > B | 0 | Perfect Unison (P1) |
| B > D | 3 | minor 3rd (m3) |
| B > F | 6 | Diminished 5th (d5 or Tritone) |
| B > A♭ | 9 | Diminished 7th (d7) |
Music Theory
Want to dig deeper and learn about the chord degrees and intervals, or see related scales and chords?
Learn more about B Diminished Seventh Chord
If you want to learn what chords are and much more, check out our free Fundamentals of Music Theory course. If you already know some of the basics, you can jump straight into the chords lesson.
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.
