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How Big Is a Giganotosaurus?

A giganotosaurus is about 41 ft (12.5 m) long. That is about 7.3 times as long as the average man is tall. A giant meat-eater from South America, about T. rex size.

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How big is a giganotosaurus compared to the average man?

A giganotosaurus is about 7.3 times as long as the average man is tall. A giganotosaurus is 7.3× the size of the average man: about 7.3 average men lined up would match it. By volume, about 111 average men would fit inside a giganotosaurus.

Giganotosaurus length in feet, inches, centimeters and meters

A giganotosaurus measures:

Unit	Value
Feet and inches	41 ft 0 in
Inches	492 in
Centimeters	1250 cm
Meters	12.5 m

Giganotosaurus size facts

Giganotosaurus was about 12 to 13 meters long.
It lived about 30 million years before T. rex, in what is now Argentina.

How does a giganotosaurus compare to other things?

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

Thing	Size	Compared to Giganotosaurus
Sun	865,000 miles (1,393,000 km) across	111 million× bigger
Earth	7,920 miles (12,740 km) across	1.02 million× bigger
Mount Everest	5.5 miles (8.849 km)	708× bigger
Eiffel Tower	1,083 ft (330 m)	26.4× bigger
Sperm whale	52 ft (16 m) long	11 ft (3.5 m) bigger
Megalodon	52 ft (16 m) long	11 ft (3.5 m) bigger
Humpback whale	49 ft (15 m) long	8 ft 2 in (250 cm) bigger
Mosasaurus	49 ft (15 m) long	8 ft 2 in (250 cm) bigger
Spinosaurus	46 ft (14 m) long	4 ft 11 in (150 cm) bigger
Hubble Space Telescope	43 ft (13.2 m) long	2 ft 3.5 in (70 cm) bigger
Titanoboa	43 ft (13 m) long	1 ft 7.5 in (50 cm) bigger
Tyrannosaurus rex	40 ft (12.3 m) long	7.9 in (20 cm) smaller
School bus	40 ft (12.2 m) long	12 in (30 cm) smaller
Whale shark	39 ft (12 m) long	1 ft 7.5 in (50 cm) smaller
Giant squid	39 ft (12 m) long	1 ft 7.5 in (50 cm) smaller
Fire truck	39 ft (12 m) long	1 ft 7.5 in (50 cm) smaller
Iguanodon	33 ft (10 m) long	8 ft 2 in (250 cm) smaller
Therizinosaurus	33 ft (10 m) long	8 ft 2 in (250 cm) smaller
Allosaurus	31 ft (9.5 m) long	9 ft 10 in (3 m) smaller
Parasaurolophus	31 ft (9.5 m) long	9 ft 10 in (3 m) smaller
Stegosaurus	30 ft (9 m) long	11 ft (3.5 m) smaller
Triceratops	28 ft (8.5 m) long	13 ft (4 m) smaller
Average man (world)	5 ft 7 in (171 cm)	7.3× smaller
Average woman (world)	5 ft 3 in (159 cm)	7.9× 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: Giganotosaurus by Ivan Iofrida. See credits.