F suspended second chord (Fsus2)

The F suspended second chord (Fsus2) is a suspended chord: F, G and C (root, major second and perfect fifth). It has no third, so it is neither major nor minor.

It is the Isus2 in F major and the IVsus2 in C major, and it usually resolves to the major or minor chord on the same root.

Below: voicings, notes on the fretboard, ukulele, piano, inversions and progressions.

How to play F suspended second on guitar

There are 2 guitar voicings.

Frets from the 6th string to the 1st: x = not played, 0 = open string.

  • Voicing 1: x-x-3-0-1-1, barre at fret 1, with F in the bass (fingers x-x-3-0-1-1).
  • Voicing 2: x-8-10-10-8-8, movable A-shape barre chord at fret 8, with F in the bass.

Notes of the F suspended second chord on the fretboard

F suspended second has 3 notes: F, G and C. This is where they fall on each string, from the nut to the 12th fret (fret number in parentheses):

  • String 6 (E): F (1) · G (3) · C (8)
  • String 5 (A): C (3) · F (8) · G (10)
  • String 4 (D): F (3) · G (5) · C (10)
  • String 3 (G): G (0) · C (5) · F (10) · G (12)
  • String 2 (B): C (1) · F (6) · G (8)
  • String 1 (E): F (1) · G (3) · C (8)

Formula and intervals of F suspended second

Its formula is 1-2-5; in semitones from the root, 0-2-7.

  • F: Root, the note that gives the chord its name
  • G: Major second (M2), 2 semitones above F
  • C: Perfect fifth (P5), 7 semitones above F

F suspended second on ukulele

  • Ukulele (G C E A): 0-0-1-3; it sounds G, C, F and C.

F suspended second on piano

  • Keys: F4, G4 and C5.

Inversions of F suspended second

Each inversion puts a different note in the bass.

  • Root position: F, G and C, with F in the bass.
  • First inversion (Fsus2/G): G, C and F, with G in the bass.
  • Second inversion (Fsus2/C): C, F and G, with C in the bass.

Keys that use F suspended second

F suspended second appears in 10 major and minor keys.

KeyDegreeFunction
F major (1 flat)Isus2Tonic
E♭ major (3 flats)IIsus2Supertonic
C major (no sharps or flats)IVsus2Subdominant
B♭ major (2 flats)Vsus2Dominant
A♭ major (4 flats)VIsus2Submediant
F minor (4 flats)Isus2Tonic
D minor (1 flat)IIIsus2Mediant
C minor (3 flats)IVsus2Subdominant
A minor (no sharps or flats)VIsus2Submediant
G minor (2 flats)VIIsus2Subtonic

Progressions with F suspended second

  • Sus2 resolution in F major (Isus2–I): Fsus2 – F

Frequently asked questions

What notes are in the F suspended second chord?

F, G and C: root, major second and perfect fifth. Its formula is 1-2-5.

Which keys use F suspended second?

Mainly as the Isus2 in F major and the IVsus2 in C major. In total it appears in 10 major and minor keys.

What does “sus” mean in F suspended second?

That the chord is suspended: the third is replaced by another note, leaving F, G and C (root, major second and perfect fifth). Without a third, it can move to either the major or the minor triad on the same root.