Correction for the weight of a Blue Whale
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How heavy is 315 miligrams?
It's about 0.000000003 times as heavy as a Blue Whale
The weight of a Blue Whale is about 105,000,000,000 miligrams.
(Balaenoptera musculus)
Blue whales weigh between 105,000,000,000 miligrams. The largest mammal to have ever lived, blue whales feed almost exclusively on krill — tiny invertebrates weighing about 1,000 miligrams each.