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C augmented chord

The Caug chord (augmented) is made of the notes C, E, G♯. Its formula compared with the major scale is 1 3 ♯5.

Caug

Triads · 3 notes

Note names

Open in the chord tool

How it is built

DegreeNoteInterval from the root
1CUnison
3EMajor third
♯5G♯Augmented fifth

Inversions

  • CaugC E G♯Root position
  • Caug/EE G♯ CFirst inversion
  • Caug/G♯G♯ C ESecond inversion

Frequently asked questions

Which notes make up the Caug chord?
The notes are C, E, G♯.
What is the formula of the Caug chord?
The formula is 1 3 ♯5: major third, augmented fifth.

Texts and tools by , professional musician and developer. Last updated: October 9, 2026.

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