F augmented major 7th chord on ukulele (FaugMaj7)

Also called or written FaugMaj7, FaugM7, F+M7, FM7#5, Fmaj+7, F augmented major seventh or F major seventh sharp five

F augmented major 7th contains F, A, C♯, and E. The default voicing spans frets 5–7 and requires a stretch between the index and pinky.

5frC♯FAEGCEA
Positions on the neck1 of 2
Practice F augmented major 7th chord

How it is built

FRootAMajor thirdC♯Augmented fifthEMajor seventh

Formula 1, 3, ♯5, 7

Inversions
  • Root positionF–A–C♯–EFaugMaj76-5-5-7
  • First inversionA–C♯–E–FFaugMaj7/A9-9-9-8
  • Second inversionC♯–E–F–AFaugMaj7/C♯6-5-5-7
  • Third inversionE–F–A–C♯FaugMaj7/E9-9-9-8

How do you play an F augmented major 7th chord on ukulele?

F augmented major 7th is played at the 5th fret as 6 5 5 7: ring finger on the G string at fret 6, index finger on the C string at fret 5, middle finger on the E string at fret 5 and pinky finger on the A string at fret 7.

Full note and interval breakdown
StringFretFingerNote
4 (G)63C♯ (♯5)
3 (C)51F (1)
2 (E)52A (3)
1 (A)74E (7)

AdvancedThe pinky must reach fret 7 on the 1st string while the index and middle fingers hold fret 5, requiring a wide stretch.

FaugM7/A inversion

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

Full note and interval breakdown
StringFretFingerNote
4 (G)92E (7)
3 (C)93A (3)
2 (E)94C♯ (♯5)
1 (A)81F (1)

Why it sounds like that

F augmented major 7th is built from 1, 3, ♯5, and 7. The augmented 5th C♯ gives the chord its bright, tense quality. Compared to F major 7th, only the fifth is raised a semitone.

What goes wrong with F augmented major 7th?

  • The pinky collapses and mutes the 1st string instead of fretting fret 7 cleanly.
  • The index finger leans on the 4th string, causing fret 6 to buzz.

When to use it

Use the supplied linked chords to hear its tension without adding unsupported harmony. F augmented major 7th suits jazz and cinematic textures where the raised fifth adds tension. Try F augmented major 7th before F major or F major 7th.

Changing to and from F augmented major 7th

  • Slide the shape down two frets to the 3rd fret to reach E♭ augmented major 7th.

Which voicing to use

The FaugM7/C♯ inversion places C♯ in the bass for a darker, unstable sound. The FaugM7/E inversion, with E in the bass, is brighter and more resolved.

Other F chords

Common questions

How is F augmented major 7th written?

F augmented major 7th is written F+M7, M7#5, maj+7, or FaugM7.

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

F augmented major 7th has a raised fifth, C♯, while F major 7th has C natural. The raised fifth creates a more dissonant, tense sound.

Why does F augmented major 7th have no tritone?

F augmented major 7th contains no tritone because the interval between A and E is a perfect fifth, not a diminished fifth.