C♯ 5th chord on ukulele (C♯5)

Also called or written C♯5, C♯ or C♯ power chord

C♯ 5th contains C♯ and G♯. This power chord at the 6th fret requires muting two strings, a typical intermediate challenge.

6frC♯G♯GCEA
Positions on the neck1 of 5
Practice C♯ 5th chord

How it is built

C♯RootG♯Perfect fifth

Formula 1, 5

Inversions

How do you play a C♯ 5th chord on ukulele?

C♯ 5th is played at the 6th fret as 6 8 × ×: index finger on the G string at fret 6 and middle finger on the C string at fret 8. The E and A strings stay muted.

Full note and interval breakdown
StringFretFingerNote
4 (G)61C♯ (1)
3 (C)82G♯ (5)
2 (E)muted
1 (A)muted

IntermediateThe index and middle fingers must fret cleanly while both remaining strings are muted, requiring precise finger placement.

9th fret

C♯ 5th is played at the 9th fret as × × 9 11: index finger on the E string at fret 9 and middle finger on the A string at fret 11. The G and C strings stay muted.

Full note and interval breakdown
StringFretFingerNote
4 (G)muted
3 (C)muted
2 (E)91C♯ (1)
1 (A)112G♯ (5)

1st fret

C♯ 5th is played at the 1st fret as 1 1 × ×: index finger on the G string at fret 1 and middle finger on the C string at fret 1. The E and A strings stay muted.

Full note and interval breakdown
StringFretFingerNote
4 (G)11G♯ (5)
3 (C)12C♯ (1)
2 (E)muted
1 (A)muted

C♯5/G♯ inversion · fret 4

C♯ 5th is played at the 4th fret as × × 4 4: index finger on the E string at fret 4 and middle finger on the A string at fret 4. The G and C strings stay muted.

Full note and interval breakdown
StringFretFingerNote
4 (G)muted
3 (C)muted
2 (E)41G♯ (5)
1 (A)42C♯ (1)

C♯5/G♯ inversion · fret 8

C♯ 5th is played at the 8th fret as × 8 9 ×: index finger on the C string at fret 8 and middle finger on the E string at fret 9. The G and A strings stay muted.

Full note and interval breakdown
StringFretFingerNote
4 (G)muted
3 (C)81G♯ (5)
2 (E)92C♯ (1)
1 (A)muted

Why it sounds like that

C♯ 5th is built from the formula 1, 5, using the root C♯ and its perfect fifth G♯. The perfect fifth gives the chord its strong, hollow sound. Compare C♯ 5th with C♯ major, which adds the major third E♯.

What goes wrong with C♯ 5th?

  • Letting the E or A string ring open because the muting finger is not touching it.
  • Pressing the G string too hard and pulling it sharp.
  • Flattening the middle finger onto the E string and accidentally fretting it.

When to use it

C♯ 5th functions as a power chord in C♯ major progressions like C♯–F♯–G♯, the I–IV–V in C♯ major. C♯ 5th suits rock and metal where a neutral fifth sound is preferred.

Changing to and from C♯ 5th

  • Move from C♯ 5th to F♯ major by lifting the middle finger and placing it on the C string 6th fret while the index stays on the G string 6th fret.
  • Slide C♯ 5th up one fret to D 5th by moving both fingers together from the 6th fret to the 7th fret.

Which voicing to use

The 6th fret position keeps C♯ in the bass for a grounded sound. The C♯5/G♯ inversions put G♯ in the bass, which lightens the chord and works well when moving to F♯ major or A♯ minor.

Other C♯ chords

Common questions

How is C♯ 5th written?

C♯ 5th is written as C♯5 or C♯. On a keyboard you may see C#5 because the sharp symbol is not always available. It is also spelled D♭ in enharmonic notation for the same sounding root.

Why does C♯ 5th sound different from C♯ major?

C♯ 5th omits the major third E♯, leaving only the root and fifth. Without the third the chord has no major or minor quality, which lets it fit both C♯ major and C♯ minor contexts.

Can I play C♯ 5th higher up the neck?

Yes, the 9th fret position plays C♯ and G♯ on the E and A strings. That register is brighter and cuts through a mix, but you lose the low G string warmth.