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How Big Is a Sperm Whale?

A sperm whale is about 52 ft (16 m) long. That is about 9.4 times as long as the average man is tall. The largest toothed animal, with the biggest brain of any animal.

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How big is a sperm whale compared to the average man?

A sperm whale is about 9.4 times as long as the average man is tall. A sperm whale is 9.4× the size of the average man: about 9.4 average men lined up would match it. By volume, about 650 average men would fit inside a sperm whale.

Sperm Whale length in feet, inches, centimeters and meters

A sperm whale measures:

Unit	Value
Feet and inches	52 ft 6 in
Inches	630 in
Centimeters	1600 cm
Meters	16 m

Sperm Whale size facts

Male sperm whales are about 16 meters long; females about 11 meters.
They dive more than 2,000 meters deep to hunt squid.

How does a sperm whale compare to other things?

A sperm whale next to 24 things of similar size, plus some everyday references:

Thing	Size	Compared to Sperm whale
Sun	865,000 miles (1,393,000 km) across	87 million× bigger
Earth	7,920 miles (12,740 km) across	796,000× bigger
Mount Everest	5.5 miles (8.849 km)	553× bigger
Eiffel Tower	1,083 ft (330 m)	20.6× bigger
Blue whale	82 ft (25 m) long	30 ft (9 m) bigger
Brachiosaurus	72 ft (22 m) long	20 ft (6 m) bigger
Semi-truck	72 ft (21.9 m) long	19 ft (5.9 m) bigger
Great Sphinx of Giza	66 ft (20 m)	13 ft (4 m) bigger
Oak tree	66 ft (20 m)	13 ft (4 m) bigger
Palm tree	66 ft (20 m)	13 ft (4 m) bigger
Megalodon	52 ft (16 m) long	0 pm smaller
Humpback whale	49 ft (15 m) long	3 ft 3 in (100 cm) smaller
Mosasaurus	49 ft (15 m) long	3 ft 3 in (100 cm) smaller
Spinosaurus	46 ft (14 m) long	6 ft 7 in (200 cm) smaller
Hubble Space Telescope	43 ft (13.2 m) long	9 ft 2 in (280 cm) smaller
Titanoboa	43 ft (13 m) long	9 ft 10 in (3 m) smaller
Giganotosaurus	41 ft (12.5 m) long	11 ft (3.5 m) smaller
Tyrannosaurus rex	40 ft (12.3 m) long	12 ft (3.7 m) smaller
School bus	40 ft (12.2 m) long	12 ft (3.8 m) smaller
Whale shark	39 ft (12 m) long	13 ft (4 m) smaller
Giant squid	39 ft (12 m) long	13 ft (4 m) smaller
Fire truck	39 ft (12 m) long	13 ft (4 m) smaller
Average man (world)	5 ft 7 in (171 cm)	9.4× smaller
Average woman (world)	5 ft 3 in (159 cm)	10.1× smaller

Where do these numbers come from?

Sizes are typical adult or reported values, rounded for readability. Read how we measure and compare sizes.

Silhouettes from PhyloPic: Sperm whale by T. Michael Keesey. See credits.