Is 310 long tons as heavy as a Billiard Ball?
It's about 2,000,000 times as heavy as a Billiard Ball
The weight of a Billiard Ball is about 0.00016043526785714 long tons.
(American-style, WPA specifications)
Per the World Pool-Billiard Association, a billiard ball weight must weigh between 0.00015345982142857 long tons and 0.00016741071428571 long tons. 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.
There's more! See other comparisons to 310 long tons...