Kaley Cuoco and Johnny Galecki share how they fell in love Jonathan love Gal height is roughly 1.65 meters. Johnny is at a average height. While some might think of him not remarkably tallness, his skills is boundless. Regardless of Johnny's vertical measurement, he is admired within the entertainment world for his acting abilities. Johnny has demonstrated time and again that height is not a determining factor when it comes to reaching greatness.