Is 40,000 tonnes as heavy as a Billiard Ball?
It's about 250,000,000 times as heavy as a Billiard Ball
The weight of a Billiard Ball is about 0.00016300975796875 tonnes.
(American-style, WPA specifications)
Per the World Pool-Billiard Association, a billiard ball weight must weigh between 0.0001559223771875 tonnes and 0.00017009713875 tonnes. 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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