Piano chord

C Augmented Piano Chord (Caug)

The C Augmented chord on piano is made of the notes C, E and G♯. Mysterious and unresolved. Creates a sense of tension.

C Augmented chord on a piano keyboard: C, E, G♯ C4C5 C E G♯

Caug C – E – G♯

Tap any key to hear it.

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What notes are in C Augmented?

3 notes, built 1 – 3 – ♯5 up from C.

Notes
C – E – G♯
Formula
1 – 3 – ♯5
Semitones from the root
0 – 4 – 8
Symbol
Caug
Chord type
Augmented, 3 notes

How to play C Augmented on piano

  • Right hand: C (1), E (3), G♯ (5). Fingers 1 – 3 – 5, thumb on C.
  • Left hand: C (5), E (3), G♯ (1). Fingers 5 – 3 – 1, little finger on C.

Fingers are numbered 1 (thumb) to 5 (little finger) on both hands.

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C Augmented inversions

Each inversion puts a different note of the chord in the bass. Written as a slash chord: Caug/E, Caug/G♯.

C Augmented root position on piano: C, E, G♯ C E G♯
Root position Caug C – E – G♯ RH 1 – 3 – 5 · LH 5 – 3 – 1
C Augmented 1st inversion on piano: E, G♯, C E G♯ C
1st inversion Caug/E E – G♯ – C RH 1 – 2 – 5 · LH 5 – 3 – 1
C Augmented 2nd inversion on piano: G♯, C, E G♯ C E
2nd inversion Caug/G♯ G♯ – C – E RH 1 – 3 – 5 · LH 5 – 2 – 1

Progressions with C Augmented

Press play: the chords move across the keyboard as they sound, voiced so your hand barely moves.

Rising fifth

in C major

  1. I C
  2. I+ Caug
  3. vi Am
  4. IV F
Rising fifth in C major: C, Caug, Am, F C E G

Augmented dominant

in F major

  1. ii Gm
  2. V+ Caug
  3. I F
Augmented dominant in F major: Gm, Caug, F B♭ D G

Can you find C Augmented?

Tap the notes on the keyboard, then check. Six chords, starting with this one.

1 / 6 Tap the notes of C Augmented (Caug)

Score 0

Any octave, any order. Each key you tap plays.

Practice keyboard: tap the notes of the chord

C Augmented chord FAQ

What notes are in the C Augmented chord?

C Augmented (Caug) has 3 notes: C, E and G♯. Its formula is 1 – 3 – ♯5, counted up from C.

How do you play C Augmented on the piano?

Put your right thumb on C and play C, E and G♯ with fingers 1 – 3 – 5. With the left hand, use fingers 5 – 3 – 1, little finger on C.

What are the inversions of C Augmented?

1st inversion: E, G♯, C (Caug/E). 2nd inversion: G♯, C, E (Caug/G♯).

Augmented chords on every root