Bluebulb Projects presents:
The Measure of Things Logo
Enter a measurement to see comparisons



0.680 pounds is about one-and-nine-tenths times as heavy as a Billiard Ball
In other words, it's 1.89217391304350 times the weight of a Billiard Ball, and the weight of a Billiard Ball is 0.528492647058820 times that amount.
(American-style, WPA specifications)
Per the World Pool-Billiard Association, a billiard ball weight must weigh between 0.343750 pounds and 0.3750 pounds. 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!
Click here to see how other things compare to 0.680 pounds...