How big is a humpback whale?
A humpback whale is about 46 to 49 ft14 to 15 m1 long. Male humpbacks sing long songs that other whales learn and copy.
A humpback whale next to you
Next to a child about four feet tall: the humpback whale is about 12 of you long, lying head to toe.
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Where the numbers come from
- National Park Service, Kenai Fjords National Park, checked 30 October 2026.