F 6th chord on ukulele (F6)

Also called or written F6 or F

F 6th contains F, A, C and D. The 10th fret shape is a wide stretch, but a 2nd fret inversion offers relief.

10frFCDAGCEA
Positions on the neck1 of 4
Practice F 6th chord

How it is built

FRootAMajor thirdCPerfect fifthDMajor sixth

Formula 1, 3, 5, 6

Inversions

How do you play an F 6th chord on ukulele?

F 6th is played at the 10th fret as 10 12 10 12: index finger on the G string at fret 10, ring finger on the C string at fret 12, middle finger on the E string at fret 10 and pinky finger on the A string at fret 12.

Full note and interval breakdown
StringFretFingerNote
4 (G)101F (1)
3 (C)123C (5)
2 (E)102D (6)
1 (A)124A (3)

AdvancedThe pinky must reach fret 12 on the A string while the index and middle hold fret 10, stretching the hand.

F6/D inversion

F 6th is played at the 1st fret as 2 2 1 3: middle finger on the G string at fret 2, ring finger on the C string at fret 2, index finger on the E string at fret 1 and pinky finger on the A string at fret 3.

Full note and interval breakdown
StringFretFingerNote
4 (G)22A (3)
3 (C)23D (6)
2 (E)11F (1)
1 (A)34C (5)

5th fret

F 6th is played at the 5th fret as 5 5 5 5: barre your index finger across fret 5.

Full note and interval breakdown
StringFretFingerNote
4 (G)51 (barre)C (5)
3 (C)51 (barre)F (1)
2 (E)51 (barre)A (3)
1 (A)51 (barre)D (6)

F6/A inversion

F 6th is played at the 7th fret as 7 9 8 8: index finger on the G string at fret 7, pinky finger on the C string at fret 9, middle finger on the E string at fret 8 and ring finger on the A string at fret 8.

Full note and interval breakdown
StringFretFingerNote
4 (G)71D (6)
3 (C)94A (3)
2 (E)82C (5)
1 (A)83F (1)

Why it sounds like that

F 6th is built from the major triad F–A–C plus the sixth, D. The sixth adds a warm, consonant colour to the major sound. Compare it with F major, which stops at the fifth and sounds more plain.

What goes wrong with F 6th?

  • Letting the pinky flatten onto the C string, which deadens the A note.
  • Pressing too hard with the index, which can pull the G string sharp.
  • Allowing the ring finger to touch the E string, muting the C.

When to use it

F 6th works as the tonic in F major, especially in the I–IV–V–I progression F–B♭–C–F. It suits jazz, swing and folk where a major triad needs extra colour. Try it in place of F major at cadences.

Changing to and from F 6th

  • Sliding the shape down one fret to the 9th fret gives E 6th.
  • From F major, add the pinky on the A string at fret 12 and the ring on the C string at fret 12.

Which voicing to use

The 10th fret shape has F in the bass, giving a solid root position. The F6/A inversion at the 2nd fret places A in the bass, which makes the chord feel lighter and more open. The F6/C inversion at the 5th fret has C in the bass, creating a brighter, more open sound.

Other F chords

Common questions

How is F 6th written?

F 6th is written as F6 or F. The root is F, and it is not enharmonically respelled.

What is the difference between F 6th and F major 7th?

F 6th adds the sixth, D, while F major 7th adds the seventh, E. The sixth is more consonant and less tense than the major seventh.

Can F 6th be used in a minor key?

Yes, F 6th can appear in D natural minor as the III chord, but it is less common. It adds a major colour to the minor progression.

Why does the 2nd fret inversion sound different?

The 2nd fret inversion has A in the bass, which is the third of the chord. This inversion sounds less rooted and more airy than the root position.