To play the Gm chord, place the middle finger on the 2nd fret of the C-string, ring finger on the 3rd fret of the E-string, and index finger on the 1st fret of the bottom A-string. Let the other string ring open.
Gm Ukulele Chord Explanation
The G minor chord contains the notes G-Bb-D.
To build a Gm chord, take the minor triad formula (1-b3-5) and apply it to the G major scale (G, A, B, C, D, E, F#).
Identify the first, third, and fifth scale degrees in a G major scale which are G-B-D.
Because the chord Gm is G minor chord, lower the third scale degree a half step in accordance with the minor triad formula, which results in the notes G-Bb-D for the G minor chord.
Watch the following video to learn how to play a Gm chord on ukulele.