The E♭ Augmented chord is a three-note chord made up of E♭, G, and B. It is built from a root, major third, and augmented fifth.
Construction
| Note | Interval | Degree |
|---|---|---|
| E♭ | Root | 1 |
| G | Major 3rd | 3 |
| B | Minor 6th | ♯5 |
E♭ Augmented Inversions


| Position | Notes |
|---|---|
| Root Position | E♭ – G – B |
| 1st Inversion | G – B – E♭ |
| 2nd Inversion | B – E♭ – G |
Key Signature
A Augmented chord is built from symmetrical or ambiguous intervals, so it doesn’t belong to a single key and has no key signature of its own.
Same Notes, Other Names
The notes E♭ – G – B aren’t exclusive to this chord. Depending on which note is the bass and how the chord functions, the same pitches also spell the following: