How Much Does a Blue Whale Weigh?

An adult blue whale typically weighs between 100 and 150 metric tons (220,000 to 330,000 pounds).

How Much Does a Blue Whale Weigh?

Interesting fact: The blue whale is the largest animal ever known to have existed on Earth.

The answer: An adult blue whale typically weighs between 100 and 150 metric tons (220,000 to 330,000 pounds).

Blue whales inhabit oceans worldwide and can reach lengths over 30 meters (98 feet). Their massive weight supports their enormous size, with adults commonly weighing over 100 metric tons. Despite their size, they feed mainly on tiny krill.