Chord · Triads

Csus4 — C Suspended 4th

Csus4 is the C suspended 4th chord. It is built on the root C with perfect 4th (F) and perfect 5th (G) above it — the formula 1 4 5, sounding the notes C F G. On the piano it sits at C (octave 4) and above in the library's voicing; the same 3 notes in any octave are still Csus4.

Root
C
Quality
Suspended 4th
Formula
1 4 5
Notes
C F G

On the keyboard

Csus4 on the piano keyboard: C F G145CFG

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

The notes of Csus4

DegreeNoteInterval from the rootPitch
1CrootC4
4Fperfect 4thF4
5Gperfect 5thG4

Other triads on C

Suspended 4th chords on every root

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