Csus4 Chord: Guitar, Piano and Notes
The Csus4 chord is a suspended fourth chord built on the root note C. Its notes are C, F and G.
Suspended fourth chords feel tense and expectant. The fourth wants to resolve down to the third, which makes sus4 a classic tool for building energy right before a major or minor chord.
Csus4 on piano

Switch to the interactive diagram to hear the chord, change voicing and swap finger numbers for note names.
To play Csus4 on piano, place your right-hand thumb on C, middle finger on F, and little finger on G. Press the keys together and listen for an even sound. Practice moving in and out of the chord slowly, then bring in a metronome.
Csus4 on guitar

Switch to the interactive diagram to hear the chord, change voicing and swap finger numbers for note names.
On guitar, Csus4 is commonly played with the voicing shown above. This one is a barre shape: keep the index finger flat across the fretboard and curve the others so they don't mute the strings next to them. Strum only the strings marked as active in the diagram.
Play the chord
Csus4 chord notes
| Degree | Interval | Semitones | Note |
|---|---|---|---|
| 1 | Root | 0 | C |
| 4 | Perfect fourth | 5 | F |
| 5 | Perfect fifth | 7 | G |
How to use the Csus4 chord
The Csus4 chord is built from a root, a perfect fourth and a perfect fifth. Start at the root C and stack the intervals to get the whole chord: C, F and G. The same formula gives you the chord in any other key.
Suspended fourth chords appear in rock riffs, worship music and folk. They usually sit right before the corresponding major chord, creating a strong pull into the downbeat.
Common progressions
The Csus4 chord works beautifully in these progressions. Click a chord name to jump to its page.
Related chords to Csus4
Once Csus4 feels comfortable, the chords below open up new progressions. Each one shares notes, keys or a harmonic function with it, which is what makes it the natural place to go next.
Frequently asked questions
What notes are in the Csus4 chord?
Is the Csus4 chord major or minor?
How do you play Csus4 on piano?
How do you play Csus4 on guitar?
What chords work well with Csus4?
Keep exploring
Deepen your understanding of the Csus4 chord with our other music theory tools.