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



4.890 ounces is about nine-tenths as heavy as a Billiard Ball.
In other words, it's 0.85043478260870 times the weight of a Billiard Ball, and the weight of a Billiard Ball is 1.17586912065440 times that amount.
(American-style, WPA specifications)
Per the World Pool-Billiard Association, a billiard ball weight must weigh between 5.50 ounces and 6 ounces. 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 4.890 ounces...