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Ukulele chord · Aø7

A Half-Diminished (m7♭5) Ukulele Chord

A Half-Diminished (m7♭5) (Aø7) is a diminished triad with a minor seventh, the ii chord of a minor key. Its notes are A C E♭ G.

GCEA
Shape 1 · easiest · 0353

Strings left to right: G C E A · x = don't play · o = open string · ● = press here

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How to play A Half-Diminished (m7♭5) on ukulele

These shapes are for standard GCEA tuning. The first is the easiest, and the others sit in different positions on the neck. Playing in another tuning? Pick it above the diagrams and the shapes are redrawn for it.

Shape 1: 0353

  1. Press the 3rd string (C) at fret 3.
  2. Press the 2nd string (E) at fret 5.
  3. Press the 1st string (A) at fret 3.
  4. Let the 4th string ring open.

The numbers in the shape name list the fret for each string from the string nearest your face to the highest, with x meaning that string is not played and 0 meaning it rings open.

Notes in A Half-Diminished (m7♭5)

NoteRole
A1 (root)
C♭3
E♭♭5
G♭7

The formula for A Half-Diminished (m7♭5) (minor 7 flat 5) is 1 ♭3 ♭5 ♭7: take the root, then the scale degrees listed.

When to use Aø7

Half-diminished chords are the ii chord of a minor key, so they appear constantly in jazz progressions such as ii–V–i. They sound dark but smooth.

Other A chords

A, Am, A7, Amaj7, Am7, Asus2, Asus4, A°, A+, Aadd9, A6

Other half-diminished (m7♭5) chords on ukulele

Cø7, C♯ø7, Dø7, E♭ø7, Eø7, Fø7, F♯ø7, Gø7, G♯ø7, B♭ø7, Bø7

Frequently asked questions

How do you play A Half-Diminished (m7♭5) on ukulele?

The easiest Aø7 shape on ukulele is 0353 (Press the 3rd string (C) at fret 3. Press the 2nd string (E) at fret 5. Press the 1st string (A) at fret 3. Let the 4th string ring open.)

What notes are in A Half-Diminished (m7♭5)?

A Half-Diminished (m7♭5) (Aø7) contains the notes A C E♭ G. The formula is 1 ♭3 ♭5 ♭7.

How many ukulele shapes are there for Aø7?

There are many. This page shows 1 common ones at different positions, easiest first. Moving a barre shape up the neck gives the same chord type on other roots.

See A Half-Diminished (m7♭5) on guitar, check its notes in the chord finder, or transpose a whole song with the chord transposer. Browse the full ukulele chord library.