Is 518,000,000,000 pennyweights as heavy as a Blue Whale?
It's about 7,500 times as heavy as a Blue Whale
The weight of a Blue Whale is about 67,200,000 pennyweights.
(Balaenoptera musculus)
Blue whales weigh between 67,200,000 pennyweights. The largest mammal to have ever lived, blue whales feed almost exclusively on krill — tiny invertebrates weighing about 0.6430 pennyweights each.
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