C Augmented Chord

Symbol: Caug

Diagrams

Staff Notation

Staff Notation

Piano Keyboard

Caug chord – keys C, E, G# highlightedPiano keyboard with keys C, E, G# highlighted. C is the root note.CEG#
Caug chord – keys C, E, G# highlightedPiano keyboard with keys C, E, G# highlighted. C is the root note.CEG#

Guitar

Guitar chord diagram for Caug (8fr)Guitar chord voicing with notes C, G#, C, E, G#, C.Caug (8fr)84322

Intervals

NoteIntervalSemitones
CP10
EM34
G#A58

Related Chords (C Root)

C Cm Cdim Csus2 Csus4 C5 C7 Cmaj7 Cm7 CmMaj7 Cdim7 Cm7b5

Augmented in All Keys

Caug Dbaug Daug Ebaug Eaug Faug F#aug Gaug Abaug Aaug Bbaug Baug

Scales Containing Caug

Db Harmonic Minor Db Melodic Minor F Harmonic Minor F Melodic Minor A Harmonic Minor A Melodic Minor

About the C Augmented Chord

The C Augmented chord is built from the notes C, E, G#. These notes are derived by stacking intervals above the root note C, following the interval pattern that defines every Augmented chord. Understanding how a chord is constructed from intervals is one of the most valuable skills in music theory, because it allows you to build the chord in any key and recognize it in any context.

You can use this chord in a variety of musical contexts. Try exploring the scales that contain these notes to discover which keys this chord naturally belongs to. Each scale listed above shares all the notes of this chord, making it a diatonic chord within that key. Understanding these relationships helps with songwriting, improvisation, and arranging.

Try Caug in the Chord Identifier →