Chord · Triads

F♯sus4 — F♯ Suspended 4th

F♯sus4 is the F♯ suspended 4th chord. It is built on the root F♯ with perfect 4th (B) and perfect 5th (C♯) above it — the formula 1 4 5, sounding the notes F♯ B C♯. On the piano it sits at F# (octave 4) and above in the library's voicing; the same 3 notes in any octave are still F♯sus4.

Root
F♯
Quality
Suspended 4th
Formula
1 4 5
Notes
F♯ B C♯

On the keyboard

F♯sus4 on the piano keyboard: F♯ B C♯145F♯BC♯

Right-hand fingering for this voicing: 1–4–5 (1 is the thumb).

The notes of F♯sus4

DegreeNoteInterval from the rootPitch
1F♯rootF♯4
4Bperfect 4thB4
5C♯perfect 5thC♯5

Other triads on F♯

Suspended 4th chords on every root

Part of the chord reference. See also the scales and the keys.