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How Big Is a Whale Shark?

A whale shark is about 39 ft (12 m) long, and the largest reach 62 ft (18.8 m). That is about 7 times as long as the average man is tall. The biggest fish in the world, and harmless to people.

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

A whale shark is about 7 times as long as the average man is tall. A whale shark is 7× the size of the average man: about 7 average men lined up would match it. By volume, about 301 average men would fit inside a whale shark.

Whale Shark length in feet, inches, centimeters and meters

A whale shark measures:

Unit	Value
Feet and inches	39 ft 4 in
Inches	472 in
Centimeters	1200 cm
Meters	12 m

Whale Shark size facts

Whale sharks are commonly about 12 meters (39 ft) long; the largest reports reach about 18 meters.
They are the largest fish alive.
Every whale shark has its own pattern of white spots, like a fingerprint.

How does a whale shark compare to other things?

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

Thing	Size	Compared to Whale shark
Sun	865,000 miles (1,393,000 km) across	116 million× bigger
Earth	7,920 miles (12,740 km) across	1.06 million× bigger
Mount Everest	5.5 miles (8.849 km)	737× bigger
Eiffel Tower	1,083 ft (330 m)	27.5× bigger
Sperm whale	52 ft (16 m) long	13 ft (4 m) bigger
Megalodon	52 ft (16 m) long	13 ft (4 m) bigger
Humpback whale	49 ft (15 m) long	9 ft 10 in (3 m) bigger
Mosasaurus	49 ft (15 m) long	9 ft 10 in (3 m) bigger
Spinosaurus	46 ft (14 m) long	6 ft 7 in (200 cm) bigger
Hubble Space Telescope	43 ft (13.2 m) long	3 ft 11 in (120 cm) bigger
Titanoboa	43 ft (13 m) long	3 ft 3 in (100 cm) bigger
Giganotosaurus	41 ft (12.5 m) long	1 ft 7.5 in (50 cm) bigger
Tyrannosaurus rex	40 ft (12.3 m) long	12 in (30 cm) bigger
School bus	40 ft (12.2 m) long	7.9 in (20 cm) bigger
Giant squid	39 ft (12 m) long	0 pm smaller
Fire truck	39 ft (12 m) long	0 pm smaller
Iguanodon	33 ft (10 m) long	6 ft 7 in (200 cm) smaller
Therizinosaurus	33 ft (10 m) long	6 ft 7 in (200 cm) smaller
Allosaurus	31 ft (9.5 m) long	8 ft 2 in (250 cm) smaller
Parasaurolophus	31 ft (9.5 m) long	8 ft 2 in (250 cm) smaller
Stegosaurus	30 ft (9 m) long	9 ft 10 in (3 m) smaller
Triceratops	28 ft (8.5 m) long	11 ft (3.5 m) smaller
Average man (world)	5 ft 7 in (171 cm)	7× smaller
Average woman (world)	5 ft 3 in (159 cm)	7.5× 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: Whale shark by Christoph Schomburg. See credits.