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Is 21.70 cubic inches as big as a Baseball?

It's about one-and-seven-tenths times as big as a Baseball
The size of a Baseball is about 12.837842530 cubic inches.
(MLB rules)
Per Major League Baseball rules, a baseball must measure between about 12.310523810 cubic inches and 13.365161240 cubic inches. A major league pitcher can throw a baseball at up to 150 kph (91 mph) in a fastball pitch.
There's more! See other comparisons to 21.70 cubic inches...