How Much does a Blue Whale Weigh?

How much does a blue whale weigh?

Blue whales are marine mammals which belong to the suborder of Baleen whales.

Blue whales are the largest animal who have ever lived on earth, even much larger than the largest dinosaur known.
 
Blue whales grow up to 33 meters (110 feet) in length and 172 metric tonnes (190 short tons) in weight.