Johnny Galecki Net Worth Height Age Family Career and MoreJohn adore Gal height is around 165 centimeters. He stands at a fair height. While some might think of him not as especially high, his prowess is limitless. Regardless of Johnny's upright dimension, Johnny is admired within the entertainment world for his acting abilities. Johnny has proved time and again that being tall doesn't define one's accomplishments when it comes to achieving greatness.