Is 0.01041666666667 firkins as heavy as a Billiard Ball?
It's about two-and-a-half times as heavy as a Billiard Ball
The weight of a Billiard Ball is about 0.0039930555555556 firkins.
(American-style, WPA specifications)
Per the World Pool-Billiard Association, a billiard ball weight must weigh between 0.0038194444444444 firkins and 0.0041666666666667 firkins. According to legend, the difficulty in obtaining elephant ivory for the manufacture of billiard balls in the 19th century inspired the search for a replacement material, which led to the development of the first industrial plastic.
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