how many grams of is a baseball?
<answer> The mass of a baseball is about 145 grams or approximately 5.11 ounces. <context> Quick Answer. The mass of a baseball is about 145 grams or approximately 5.11 ounces. According to the Major League Baseball website, an official baseball cannot weigh less than 5 ounces or more than 5.25 ounces. Continue Reading