Distributions from AAA From TaxAlmanac, A Free Online Resource for Tax Professionals Note: You are using this website at your own risk, subject to our Disclaimer and Website Use and Contribution Terms.
As of 2008 the circumference of a regulation size baseball is between nine and nine and a quarter inches which converts to between about 7.3 cm and 7.5 cm in diameter according to the official rules of Major League Baseball (MLB).
often same as fastpitch softball, special 14 or 16 inch (356 or 406 mm) balls rarely used, less dense than a baseball. Bat. No longer than 42 inches (1067 mm). Must be made of wood at the professional level; may be made of aluminum in high school and college.