Augmented Triad

The augmented triad consists of two stacked major thirds, creating a symmetrical, ambiguous chord. Its raised fifth gives it a tense, unresolved quality that pulls toward resolution.

Symbol: aug, +   Formula: 1-3-♯5   C Augmented Triad: C – E – G#

Harmonic character: unstable

Choose a Root

C Augmented Triad G Augmented Triad D Augmented Triad A Augmented Triad E Augmented Triad B Augmented Triad F# Augmented Triad F Augmented Triad Bb Augmented Triad Eb Augmented Triad Ab Augmented Triad Db Augmented Triad

Interval Formula

Degree Interval Semitones from Root Note (C Augmented Triad)
1 Root (1) 0 C
3 Major 3rd (3) 4 E
♯5 Augmented 5th (♯5) 8 G#

Related Chords

majordominant seventhaugmented seventh

Common Progressions