Is 310 long tons as heavy as a Bowling Ball?
It's about 45,000 times as heavy as a Bowling Ball
The weight of a Bowling Ball is about 0.00669642857 long tons.
(most common selection among male bowlers)
With an allowable range of 0.00491071429 long tons, the most-preferred bowling ball weight among adult, male bowlers is 0.00669642857 long tons. Because regulation balls measure the same diameter irrespective of their weight, ball density varies by size and balls weighing less than about 0.00492103264 long tons will float in water.
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