Quick Answer & Harmonic Definition

To play the F# Suspended 4th chord on piano, press the keys F#, B, C# simultaneously. In root position, F# is the lowest note. First inversion places B in the bass; second inversion uses C# as the lowest note.

Piano Chord

F#sus4 Piano Chord

Replaces the third with a perfect fourth. Classic rock tension before resolution. Learn the F# Suspended 4th chord on piano with interactive keyboard, inversions, and audio playback.

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

Playing the F#sus4 Piano Chord

The F#sus4 chord is a suspended 4th chord built on the root F#. It contains 3 notes: F#, B, C#. On piano, this chord is played by pressing these keys simultaneously or as an arpeggio.

Replaces the third with a perfect fourth. Classic rock tension before resolution. Mastering the F#sus4 chord opens up countless songs and progressions in the key of F#.

Piano Finger Positions for F#sus4

For the F#sus4 triad chord, use these finger positions:

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

F#sus4 Chord Inversions

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

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

Interval Structure of F#sus4

Degree Interval Semitones Note in F#
Root Root (R) 0 F#
3rd Perfect 4th 5 B
5th Perfect 5th 7 C#

Common Progressions with F#sus4 on Piano

  • I–IV–V–I: F#sus4 – Bsus4 – C#sus4 – F#sus4 (classic cadence)
  • I–V–vi–IV: F#sus4 – C# – D#m – B (pop progression)
  • ii–V–I: G#m – C# – F#sus4 (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

Sus4 Chord in All 12 Keys

Csus4 C#sus4 Dsus4 D#sus4 Esus4 Fsus4 F#sus4 Gsus4 G#sus4 Asus4 A#sus4 Bsus4
Virtual Piano
Interactive keyboard
F#sus4 Guitar
Guitar chord shapes
F# Scale
Notes that fit this chord
Songs
Find songs using F#sus4

Knowledge Base & FAQs

F#sus4 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#sus4 chord on piano?

To play the F# Suspended 4th chord on piano, press the keys F#, B, C# simultaneously.

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

What are the notes in the F#sus4 piano chord?

The F# Suspended 4th piano chord contains 3 notes: F#, B, C#.

These are derived from the suspended 4th interval formula applied to the root note F#.

What is the best fingering for F#sus4 on piano?

For the F#sus4 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#sus4 chord sound like?

The F#sus4 chord has a replaces the third with a perfect fourth.

classic rock tension before resolution. It provides rich harmonic tension and expressive color within songwriting and jazz arrangements.

What keys does the F#sus4 chord belong to?

F#sus4 appears frequently across modal, jazz, blues, and contemporary progressions as an essential tension or resolution voicing.

What are the inversions of F#sus4 on piano?

F#sus4 has 2 inversions.

Root position: F#–B–C#. First inversion: B–C#–F#.

What chords go well with F#sus4 on piano?

In the key of F# major, F#sus4 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#sus4 a good chord for beginners on piano?

Yes, F#sus4 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#sus4 in a chord progression?

F#sus4 functions as the tonic (I) in F# major.

A classic progression is I–IV–V–I: F#sus4–B–C#–F#sus4. 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.