what's the average size of a blue whale
Here are a few more measurements of some popular whales: Beluga Whale: Average length 10 â 15 ft â Average weight 2,000 â 3,500 pounds. Blue Whale: Average length 70 â 90 ft Average weight up to 150 tons or more. Bowhead Whale: Average length up to 66 ft Average weight up to 100 tons or more. Gray Whale: Average length 45 â 48 ft Average weight up to 40 tons. Humpback Whale: Average length 40 â 60 ft Average weight up to 39 tons.