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Faug(Augmented Chord)

A major triad with a raised fifth. Creates a mysterious, unsettled sound.

Notes
F – A – C#
Intervals (semitones)
0 – 4 – 8
Type
Triad

🎹 Faug on Piano

Press highlighted keys simultaneously to play the Faug chord.

R
F(Root (R))
2
A(Major 3rd)
3
C#(Augmented 5th (♯5))

🎸 Faug on Guitar

The Faug chord uses notes F, A, C#. Build a voicing by finding these notes on any strings — root on the 6th string is a common starting point for barre chord shapes.

Interval Analysis

DegreeInterval NameSemitonesNote in F
RootRoot (R)0F
3rdMajor 3rd4A
5thAugmented 5th (♯5)8C#

About the F Augmented Chord

The Faug chord (F Augmented) consists of 3 notes: F, A, C#. A major triad with a raised fifth. Creates a mysterious, unsettled sound.

To build any augmented chord, apply intervals of 0, 4, 8 semitones above the root. Starting from F: the notes land on F, A, C#.

Playing Faug on Piano

Press F, A, C# simultaneously. In root position, F is lowest. First inversion places A in the bass for a lighter sound; second inversion uses C# as the bass note.

Common Chord Progressions Using Faug

  • I–IV–V: Faug – A#aug – Caug (blues and rock)
  • I–V–vi–IV: Faug – C – Dm – A# (pop staple)
  • I–vi–IV–V: Faug – Dm – A# – C (50s progression)

The Faug Chord in Context

As a augmented chord, Faug is the tonic (I) in the key of F major. It also appears as the IV chord in C major, and as the V chord in A# major — making it one of the most important chords across all of Western music.

Other F Chords

F
Major
Fm
Minor
F7
Dominant 7th
Fmaj7
Major 7th
Fm7
Minor 7th
Fdim
Diminished

Augmented Chord in All 12 Keys

CaugC#augDaugD#augEaugFaugF#augGaugG#augAaugA#augBaug
🎹 Virtual Piano
Play Faug on piano
🎸 Virtual Guitar
See on the fretboard
🎵 F Scale
Notes that fit Faug
🎶 Songs
Find songs using Faug

FAQ

Faug Chord — Frequently Asked Questions

What notes are in the Faug chord?
The F Augmented chord contains: F, A, C#. These notes are derived by applying the augmented interval formula (0–4–8 semitones) to the root note F.
What is the Faug chord used for?
A major triad with a raised fifth. Creates a mysterious, unsettled sound. The Faug chord is used across pop, rock, jazz, and classical music. As the I chord in the key of F major, it functions as the most stable resting point in progressions.
How do you play Faug on piano?
On piano, play F, A, C# simultaneously. In root position, F is the lowest note. Inversions move the bass note up — first inversion has A lowest, second inversion has C# lowest.
How many notes are in a augmented chord?
A augmented chord has 3 notes: F, A, C# (in F). It is a triad — the most fundamental chord type.
What is the difference between F major and F minor?
The F major chord (F–A–C) uses a major third (4 semitones), giving it a bright, happy sound. The F minor chord (F–G#–C) uses a minor third (3 semitones), giving it a darker, emotional sound.
What key does Faug belong to?
Faug naturally serves as the I chord in the key of F major. It also appears as IV in the key of C major, and as V in the key of A# major.
Can I play Faug on ukulele?
Yes. The ukulele uses GCEA tuning with 4 strings. The Faug chord notes (F, A, C#) can be fretted on a ukulele, though the shapes differ from guitar due to the 4-string layout and shorter scale.
What chords go well with Faug?
In the key of F major, Faug pairs naturally with A# major (IV), C major (V), and Dm (vi). The classic I–IV–V (Faug–A#–C) is the foundation of blues, country, and rock.
What is a chord inversion of Faug?
An inversion places a non-root note in the bass. Faug root position: F in bass. First inversion: A in bass. Second inversion: C# in bass. Inversions create smoother bass line movement without changing the harmony.
How do I memorize the notes in a augmented chord?
Remember the formula: 0–4–8 semitones from root. For Faug: start on F, add 4 semitones, then 8 semitones. Practicing this across all 12 roots builds instant recognition of any augmented chord.