Correction for the weight of a Baseball
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How heavy is 170,097.138750 miligrams?
It's about one-and-one-fifth times as heavy as a Baseball
The weight of a Baseball is about 145,291.306015630 miligrams.
(MLB rules)
Per Major League Baseball rules, a baseball must weigh between 141,747.6156250 miligrams and 148,834.996406250 miligrams. A major league pitcher can throw a baseball at up to 150 kph (91 mph) (with a fastball pitch), with record-setting pitches as fast as 171 kph (106 mph).