ChordKeysChord & scale reference

E Augmented Chord (Eaug) on Piano

The Eaug chord (E augmented) is built from 3 notes: E – G# – B#.

EG#B#

Play these notes on a MIDI keyboard, your computer keyboard, or the on-screen keys and ChordKeys will name the chord back to you.

Notes and intervals

NoteDegreeInterval from ESemitones
E1root0
G#3major 3rd4
B##5augmented 5th8

Inversions

Rearranging which note sits at the bottom gives you 3 playable voicings of the same chord. Inversions let you move between chords with less hand movement.

VoicingNotesBass note
Root positionE – G# – B#E in the bass
1st inversionG# – B# – EG# in the bass
2nd inversionB# – E – G#B# in the bass

How the augmented chord is built

Every augmented chord uses the same interval formula: 1 (0 semitones), 3 (4 semitones), #5 (8 semitones). Starting on E and applying that formula produces E, G#, B#. Learn the formula once and you can build a augmented chord on any of the twelve roots.

Other chords on E

Augmented chords on other roots

Frequently asked questions

What notes are in a Eaug chord?

A Eaug chord contains the notes E, G#, B#. Those are the 1, 3, #5 degrees measured from the root note E.

How do you play Eaug on piano?

Place your thumb on E, then add G# and B# above it. With a right hand in root position the common fingering is 1–3–5.