suspended fourth chord
F♯, B and C♯
- Root
- F♯
- Perfect fourth
- B
- Perfect fifth
- C♯
Formula
1 4 5 (5, 7 half steps above F♯)
Fingering in root position
| Notes | F♯ | B | C♯ |
|---|---|---|---|
| Right hand | 1 | 4 | 5 |
| Left hand | 5 | 2 | 1 |
F♯sus4 inversions
F♯sus4 has 2 inversions. Each one keeps the same notes and puts a different one at the bottom, so your hand can stay close to the chord before or after it.
F♯sus4
Root position
| Notes | F♯ | B | C♯ |
|---|---|---|---|
| Right hand | 1 | 4 | 5 |
| Left hand | 5 | 2 | 1 |
F♯sus4/B
First inversion
| Notes | B | C♯ | F♯ |
|---|---|---|---|
| Right hand | 1 | 2 | 5 |
| Left hand | 5 | 4 | 1 |
F♯sus4/C♯
Second inversion
| Notes | C♯ | F♯ | B |
|---|---|---|---|
| Right hand | 1 | 3 | 5 |
| Left hand | 5 | 3 | 1 |
Where F♯sus4 fits
F♯sus4 has no third, so it is neither major nor minor. All of its notes are in F♯ major, B major, E major, A major and D major, so it fits naturally in those keys.
How F♯sus4 is built
F♯ is the root, B the perfect fourth and C♯ the perfect fifth.
A sus4 chord swaps the third for the fourth, 5 half steps above the root. The fourth often steps down to the third next, turning F♯sus4 into F♯ major.
Every chord takes every other letter of the alphabet, so the letters of F♯sus4 are F, B, C. That is why it is spelled F♯, B and C♯.
Find F♯sus4 yourself
Without looking at the diagrams, find the chord on the keyboard, then each inversion. Saying the notes out loud as you tap them helps them stick.
Step 1 of 3
Tap the notes of F♯sus4, in any octave and any order.
Practice F♯sus4 in real music
MasterPiano gives you new music to read at your level and listens as you play, through a MIDI keyboard or your device's microphone, marking each note right or wrong.
Start freeQuestions
What notes are in the F♯sus4 chord?
F♯sus4 has three notes: F♯, B and C♯. F♯ is the root, B the perfect fourth and C♯ the perfect fifth.
What fingers do you use for F♯sus4 on piano?
In root position, play F♯, B and C♯ with right hand fingers 1, 4 and 5 (thumb, ring finger and little finger) and left hand fingers 5, 2 and 1. The fingers change a little in each inversion; every inversion on this page shows its own.
What are the inversions of F♯sus4?
F♯sus4 has 2 inversions, one for each note other than the root at the bottom. First inversion (F♯sus4/B): B, C♯ and F♯. Second inversion (F♯sus4/C♯): C♯, F♯ and B.
What is a suspended fourth chord?
A sus4 chord swaps the third for the fourth, 5 half steps above the root. The fourth often steps down to the third next, turning F♯sus4 into F♯ major. All the notes of F♯sus4 are in F♯ major, B major, E major and A major.