C suspended 2nd chord on ukulele (Csus2)

Also called or written Csus2 or C

C suspended 2nd contains C, D, and G. The 10th fret shape mutes the G string to keep the bass note clear.

10frCDGGCEA
Positions on the neck1 of 5
Practice C suspended 2nd chord

How it is built

CRootDMajor secondGPerfect fifth

Formula 1, 2, 5

Inversions

How do you play a C suspended 2nd chord on ukulele?

C suspended 2nd is played at the 10th fret as × 12 10 10: ring finger on the C string at fret 12, index finger on the E string at fret 10 and middle finger on the A string at fret 10. The G string stays muted.

Full note and interval breakdown
StringFretFingerNote
4 (G)muted
3 (C)123C (1)
2 (E)101D (2)
1 (A)102G (5)

IntermediateThe ring finger must reach fret 12 on the C string while the index and middle hold fret 10 cleanly.

Csus2/D inversion · fret 2

C suspended 2nd is played at the 2nd fret as × 2 3 3: index finger on the C string at fret 2, middle finger on the E string at fret 3 and ring finger on the A string at fret 3. The G string stays muted.

Full note and interval breakdown
StringFretFingerNote
4 (G)muted
3 (C)21D (2)
2 (E)32G (5)
1 (A)33C (1)

Csus2/G inversion

C suspended 2nd is played at the 7th fret as 7 7 8 ×: index finger on the G string at fret 7, middle finger on the C string at fret 7 and ring finger on the E string at fret 8. The A string stays muted.

Full note and interval breakdown
StringFretFingerNote
4 (G)71D (2)
3 (C)72G (5)
2 (E)83C (1)
1 (A)muted

Csus2/D inversion · open position

C suspended 2nd is played in open position as 0 2 3 3: index finger on the C string at fret 2, middle finger on the E string at fret 3 and ring finger on the A string at fret 3. The G string rings open.

Full note and interval breakdown
StringFretFingerNote
4 (G)openG (5)
3 (C)21D (2)
2 (E)32G (5)
1 (A)33C (1)

10th fret · 12-12-10-10

C suspended 2nd is played at the 10th fret as 12 12 10 10: ring finger on the G string at fret 12, pinky finger on the C string at fret 12, index finger on the E string at fret 10 and middle finger on the A string at fret 10.

Full note and interval breakdown
StringFretFingerNote
4 (G)123G (5)
3 (C)124C (1)
2 (E)101D (2)
1 (A)102G (5)

Why it sounds like that

C suspended 2nd is built from the formula 1, 2, 5. The major 2nd between C and D replaces the major 3rd of C major, creating an open, unresolved sound. The perfect 5th anchors the chord.

What goes wrong with C suspended 2nd?

  • Letting the G string ring out; mute it with the fretting-hand thumb.
  • Pressing the E string too hard and bending it sharp.
  • Collapsing the ring finger onto the C string fret 12 and deadening the E string.

When to use it

C suspended 2nd works as a passing chord in C major progressions like C–F–G–C (I–IV–V–I). It suits folk and pop strumming where the suspended 2nd adds tension before resolution. Use it before C major to delay the tonic.

Changing to and from C suspended 2nd

  • Move to C major by lifting the index finger from the E string and placing it on the C string fret 12, keeping the middle finger on the A string fret 10.
  • Slide the whole shape down two frets to the 8th fret to play B♭ suspended 2nd.

Which voicing to use

The 10th fret shape puts C in the bass and is the most direct voicing. The Csus2/G inversion at frets 0-2-3-3 gives a lower, darker sound with G in the bass. Choose the Csus2/D inversion when you want the 2nd in the bass for a suspended feel.

Other C chords

Common questions

How does C suspended 2nd differ from C add 9?

C suspended 2nd replaces the 3rd with the 2nd, so it has no major or minor quality. C add 9 keeps the major 3rd and adds the 2nd on top, giving a fuller major sound.

Can C suspended 2nd resolve to C minor?

Yes, C suspended 2nd can resolve to C minor because the 2nd (D) moves down to the minor 3rd (E♭). The lack of a 3rd in the sus2 makes the resolution smooth.

Why does the G string need to be muted?

The open G string is a chord tone, but muting it preserves the intended bass note and voicing. It keeps the chord from sounding too dense.