Quick Answer & Harmonic Definition

To play the F# Augmented chord on piano, press the keys F#, A#, D simultaneously. In root position, F# is the lowest note. First inversion places A# in the bass; second inversion uses D as the lowest note.

Piano Chord

F#aug Piano Chord

A major triad with a raised fifth. Creates a mysterious, unsettled sound. Learn the F# Augmented chord on piano with interactive keyboard, inversions, and audio playback.

Notes
F# – A# – D
Intervals
0 – 4 – 8
Type
triad chord
F# A# D
E
A
D
G
B
e
3
5
7
9
12
3 notes · Standard (E A D G B E)

Playing the F#aug Piano Chord

The F#aug chord is a augmented chord built on the root F#. It contains 3 notes: F#, A#, D. On piano, this chord is played by pressing these keys simultaneously or as an arpeggio.

A major triad with a raised fifth. Creates a mysterious, unsettled sound. Mastering the F#aug chord opens up countless songs and progressions in the key of F#.

Piano Finger Positions for F#aug

For the F#aug triad chord, use these finger positions:

  • Right hand (root position): Thumb (1) on F#, middle finger (3) on A#, pinky (5) on D.
  • Left hand (root position): Pinky (5) on F#, middle finger (3) on A#, thumb (1) on D.
  • Arpeggiated: Play the notes sequentially from lowest to highest for a broken triad effect.

F#aug Chord Inversions

Inversions change the bass note while keeping the same harmonic quality:

Inversion Bass Note Notes (bottom to top) Sound
Root F# F# – A# – D Most stable
1st A# A# – D – F# Lighter, less stable

Interval Structure of F#aug

Degree Interval Semitones Note in F#
Root Root (R) 0 F#
3rd Major 3rd 4 A#
5th Augmented 5th 8 D

Common Progressions with F#aug on Piano

  • I–IV–V–I: F#aug – Baug – C#aug – F#aug (classic cadence)
  • I–V–vi–IV: F#aug – C# – D#m – B (pop progression)
  • ii–V–I: G#m – C# – F#aug (jazz turnaround)

Other F# Piano Chords

F#
Major
F#m
Minor
F#7
Dominant 7th
F#maj7
Major 7th
F#m7
Minor 7th
F#dim
Diminished

Aumentado Chord in All 12 Keys

Caug C#aug Daug D#aug Eaug Faug F#aug Gaug G#aug Aaug A#aug Baug
Virtual Piano
Interactive keyboard
F#aug Guitar
Guitar chord shapes
F# Scale
Notes that fit this chord
Songs
Find songs using F#aug

Knowledge Base & FAQs

F#aug Piano Chord — FAQ

Everything you need to know about our browser-based Web Audio engine, instruments, and music theory workspace.

How do I play the F#aug chord on piano?

To play the F# Augmented chord on piano, press the keys F#, A#, D simultaneously.

In root position, F# is the lowest note. First inversion places A# in the bass; second inversion uses D as the lowest note.

What are the notes in the F#aug piano chord?

The F# Augmented piano chord contains 3 notes: F#, A#, D.

These are derived from the augmented interval formula applied to the root note F#.

What is the best fingering for F#aug on piano?

For the F#aug triad in root position, use fingers 1 (thumb), 3, and 5 for a triad, or 1, 2, 3, and 5 for a triad chord.

Inversions may use 1, 2, 4 (first inversion) or 1, 3, 5 (second inversion).

What does the F#aug chord sound like?

The F#aug chord has a a major triad with a raised fifth.

creates a mysterious, unsettled sound. It provides rich harmonic tension and expressive color within songwriting and jazz arrangements.

What keys does the F#aug chord belong to?

F#aug appears frequently across modal, jazz, blues, and contemporary progressions as an essential tension or resolution voicing.

What are the inversions of F#aug on piano?

F#aug has 2 inversions.

Root position: F#–A#–D. First inversion: A#–D–F#.

What chords go well with F#aug on piano?

In the key of F# major, F#aug pairs naturally with B major (IV chord), C# major (V chord), and D#m (vi chord).

The I–IV–V–I progression is a classic way to practice these.

Is F#aug a good chord for beginners on piano?

Yes, F#aug is a triad with 3 notes, making it accessible for beginners.

Practice playing all 3 keys simultaneously with proper finger positioning.

How do I use F#aug in a chord progression?

F#aug functions as the tonic (I) in F# major.

A classic progression is I–IV–V–I: F#aug–B–C#–F#aug. Practice this in both hands separately before combining.

What is the difference between F# major and F# minor on piano?

The F# major chord (F#–A#–C#) uses a major third (4 semitones from root) for a bright sound.

The F#m chord uses a minor third (3 semitones) for a darker, more emotional sound.