E♭ Diminished 7th
E♭dim7
Notes
E♭ · G♭ · B♭♭ · D♭♭
Intervals
- RootE♭ (1P)
- Minor 3rdG♭ (3m)
- Diminished 5thB♭♭ (5d)
- Diminished 7thD♭♭ (7d)
Fretboard
On the fretboard, A represents B♭♭, and C represents D♭♭.
Adjust labels, frets, and palette in the interactive view.
Voicings & shapes
Drop-3 voicings (8)
Shell voicings (2)
Dim7 symmetrical (3)
One shape moved up 3 frets gives the next enharmonic root: C, E♭, G♭, and A dim7 are the same four notes.
About
The E♭ fully diminished 7 (E♭–G♭–B♭♭–D♭♭) stacks four minor thirds, giving it a fully symmetrical structure. Each note can be respelled as a root — E♭°7 is enharmonically the same chord as G♭°7, B♭♭°7, and D♭♭°7 — meaning a single shape on the guitar can function as four different leading-tone chords depending on context. This flexibility makes dim7 especially useful as a passing or substitution chord, often resolving up a half step (here to F♭). All four tones carry the chord’s identity; the chord is defined by its symmetry, so removing any note weakens that quality. On guitar, one shape repeats identically every three frets. Compared to E♭m7♭5, dim7 is more unstable and dramatically tense.
Chord diagrams
Eb Diminished 7th voicing charts — tap a sheet to open it full size to save or print.
Similar chords
Chords sharing two or more notes with this one, ranked by overlap.
Scales containing this chord
- E♭ Diminished (deg 1)
- A Diminished (deg 5)
- B♭ Diminished (deg 4)
- B♭ Harmonic Minor (IV)
- C Diminished (deg 3)
- D♭ Diminished (deg 2)
- D♭ Harmonic Minor (II)
- E Diminished (deg 8)
- E Harmonic Minor (VII)
- F♯ Diminished (deg 7)
- G Diminished (deg 6)
- G Harmonic Minor (VI)
Scales whose notes include every chord tone. The Roman numeral (or scale degree) marks the chord root’s position in the scale.