Loading the chart…

How Big Is a Brachiosaurus?

A brachiosaurus is about 72 ft (22 m) long. That is about 13 times as long as the average man is tall. A giant long-necked dinosaur that held its head high like a giraffe.

Pinch or scroll to zoom · drag to pan · tap anything to fly to it

Chart title (for saved images)

Arrange

Order Spacing

Display

Units

Labels Background Height lines

How big is a brachiosaurus compared to the average man?

A brachiosaurus is about 13 times as long as the average man is tall. A brachiosaurus is 12.9× the size of the average man: about 13 average men lined up would match it. By volume, about 634 average men would fit inside a brachiosaurus.

Brachiosaurus length in feet, inches, centimeters and meters

A brachiosaurus measures:

Unit	Value
Feet and inches	72 ft 2 in
Inches	866 in
Centimeters	2200 cm
Meters	22 m

Brachiosaurus size facts

Brachiosaurus was about 18 to 22 meters long.
With its neck raised it could reach about 9 to 12 meters high, taller than a three-story building.

How does a brachiosaurus compare to other things?

A brachiosaurus next to 25 things of similar size, plus some everyday references:

Thing	Size	Compared to Brachiosaurus
Sun	865,000 miles (1,393,000 km) across	63.3 million× bigger
Earth	7,920 miles (12,740 km) across	579,000× bigger
Mount Everest	5.5 miles (8.849 km)	402× bigger
Eiffel Tower	1,083 ft (330 m)	15× bigger
Christ the Redeemer	125 ft (38 m)	52 ft (16 m) bigger
Argentinosaurus	115 ft (35 m) long	43 ft (13 m) bigger
Diplodocus	85 ft (26 m) long	13 ft (4 m) bigger
Blue whale	82 ft (25 m) long	9 ft 10 in (3 m) bigger
Hot air balloon	82 ft (25 m)	9 ft 10 in (3 m) bigger
Semi-truck	72 ft (21.9 m) long	3.9 in (10 cm) smaller
Great Sphinx of Giza	66 ft (20 m)	6 ft 7 in (200 cm) smaller
Oak tree	66 ft (20 m)	6 ft 7 in (200 cm) smaller
Palm tree	66 ft (20 m)	6 ft 7 in (200 cm) smaller
Sperm whale	52 ft (16 m) long	20 ft (6 m) smaller
Megalodon	52 ft (16 m) long	20 ft (6 m) smaller
Humpback whale	49 ft (15 m) long	23 ft (7 m) smaller
Mosasaurus	49 ft (15 m) long	23 ft (7 m) smaller
Spinosaurus	46 ft (14 m) long	26 ft (8 m) smaller
Hubble Space Telescope	43 ft (13.2 m) long	29 ft (8.8 m) smaller
Titanoboa	43 ft (13 m) long	30 ft (9 m) smaller
Giganotosaurus	41 ft (12.5 m) long	31 ft (9.5 m) smaller
Tyrannosaurus rex	40 ft (12.3 m) long	32 ft (9.7 m) smaller
School bus	40 ft (12.2 m) long	32 ft (9.8 m) smaller
Average man (world)	5 ft 7 in (171 cm)	12.9× smaller
Average woman (world)	5 ft 3 in (159 cm)	13.8× 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: Brachiosaurus by Mike Taylor. See credits.