Gdim Piano Chord

The Gdim chord is a diminished triad built on the root note G. It contains the notes G, A#, C#.

How to play Gdim

Press all highlighted keys together. Use any comfortable fingering — for a right-hand triad, thumb on root, middle on 3rd, pinky on 5th is standard.

Master one chord at a time. Once Gdim feels natural, try the next chord chord, or browse easy piano songs to put it in context.