A♯dim7 chord on ukulele
A♯dim7 is A♯, C♯, E and G. The easiest shape is 0-1-0-1. Press Play to hear it, then try it at half speed.
0-1-0-1 · open · easy
- Notes
- A♯ · C♯ · E · G
- Formula
- 1 · ♭3 · ♭5 · ♭♭7
- First shape
- 0-1-0-1
How to play A♯dim7 on ukulele
Shape 1, 0-1-0-1, reading from the G string on the left:
- C♯: index finger, 1st fret of the C string.
- A♯: middle finger, 1st fret of the A string.
- Leave the G and E strings open: G and E.
- If an open string sounds dead, a fingertip is leaning on it. Come down more on the tips, with your knuckles bent.
- Strum with the pad of your index finger or thumb, all four strings, across the spot where the neck meets the body.
Other ways to play A♯dim7
- 6-7-6-7: movable shape at the 6th fret, medium. Use it when the next chord sits nearby on the neck.
- 9-10-9-10: movable shape at the 9th fret, medium. A high voicing for when the low version is taken by another instrument.
Changing from A♯dim7 to the chords around it
Songs rarely hold A♯dim7 for long. Here's what your hand does on the moves that come up most.
- B (leads up a half step): A♯dim7 (0-1-0-1) to B (4-3-2-2): move the index finger to the E string, 2nd fret, your middle finger lands on the A string, 2nd fret, the ring finger comes down on the C string, 3rd fret, the pinky finger comes down on the G string, 4th fret. Nothing carries over, so drill it slowly, lifting and landing all fingers at once. B on ukulele
- Bm (leads up a half step): A♯dim7 (0-1-0-1) to Bm (4-2-2-2): move the index finger to the C string, 2nd fret, your middle finger lands on the E string, 2nd fret, the ring finger comes down on the A string, 2nd fret, the pinky finger comes down on the G string, 4th fret. Nothing carries over, so drill it slowly, lifting and landing all fingers at once. Bm on ukulele
- E♭ (a fifth down): A♯dim7 (0-1-0-1) to E♭ (0-3-3-1): move the index finger to the A string, 1st fret, move the middle finger to the C string, 3rd fret, the ring finger comes down on the E string, 3rd fret. Everything moves: lift the whole hand and place the new shape in one go. Shared notes: A♯ and G. E♭ on ukulele
A♯dim7 is a diminished seventh: three minor thirds stacked, so the chord divides the octave into four equal parts. All 4 notes of A♯dim7 fit on the ukulele's four strings. The slow arpeggio button above makes that quality easy to hear.
A short A♯dim7 drill
Pick shape 1 one string at a time, low to high: G, C♯, E, A♯. Every note should ring clearly; if one thuds, adjust that finger before you strum. Then switch to 6-7-6-7 and back four times without looking at your hand.
B♭dim7 is another spelling of A♯dim7. Same shape, same sound.
Where A♯dim7 shows up
A♯dim7 on guitar and piano
The same notes on another instrument: A♯dim7 on guitar and A♯dim7 on piano. This page puts all three side by side.
Next to try on ukulele
Other diminished seventh chords
A♯dim7 on ukulele: questions
What notes are in A♯dim7 on ukulele?
A♯, C♯, E and G. In the 0-1-0-1 shape the strings play G (G string, open), C♯ (C string), E (E string, open) and A♯ (A string).
What's the easiest way to play A♯dim7 on ukulele?
0-1-0-1, the first shape on this page. It uses open strings, so there is no barre to press.
Is A♯dim7 a barre chord on ukulele?
Not the usual shape: 0-1-0-1 needs no barre.
Which string does A♯dim7 start on?
In the 0-1-0-1 shape the lowest string you play is the G string, open, which is G, the diminished seventh.
Shapes and sound are generated from the notes A♯, C♯, E and G and tested automatically. Updated September 2026.