root position: Ebdim7
E♭ – G♭ – B𝄫 – D𝄫
The E flat diminished 7 chord (E♭dim7) is made of the notes E♭, G♭, B𝄫 and D𝄫. Its formula is 1 – ♭3 – ♭5 – 𝄫7.
| Note | Formula | Interval from root |
|---|---|---|
| E♭ | 1 | root |
| G♭ | ♭3 | minor 3rd |
| B𝄫 | ♭5 | diminished 5th |
| D𝄫 | 𝄫7 | diminished 7th |
Fingers are numbered from the thumb (1) to the little finger (5).
E♭ – G♭ – B𝄫 – D𝄫
G♭ – B𝄫 – D𝄫 – E♭
B𝄫 – D𝄫 – E♭ – G♭
D𝄫 – E♭ – G♭ – B𝄫
E♭dim7 is also written as E♭dim7, Eb°7, E♭°7, D#dim7, D♯dim7, D#°7, D♯°7.
E♭dim7 is not one of the basic chords of any major or minor key. It is usually used as a passing or colour chord.