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How Big Is a Blue Whale?

A blue whale is about 82 ft (25 m) long. That is about 15 times as long as the average man is tall. The largest animal known to have ever lived.

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

A blue whale is about 15 times as long as the average man is tall. A blue whale is 14.6× the size of the average man: about 15 average men lined up would match it. By volume, about 1,900 average men would fit inside a blue whale.

Blue Whale length in feet, inches, centimeters and meters

A blue whale measures:

Unit	Value
Feet and inches	82 ft 0 in
Inches	984 in
Centimeters	2500 cm
Meters	25 m

Blue Whale size facts

Adult blue whales are usually 23 to 27 meters long and can reach about 30 meters (100 ft).
The heaviest weigh up to about 150 tonnes.
A blue whale's heart is about the size of a small car and weighs about 180 kg.

How does a blue whale compare to other things?

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

Thing	Size	Compared to Blue whale
Sun	865,000 miles (1,393,000 km) across	55.7 million× bigger
Earth	7,920 miles (12,740 km) across	510,000× bigger
Mount Everest	5.5 miles (8.849 km)	354× bigger
Eiffel Tower	1,083 ft (330 m)	13.2× bigger
Colosseum	157 ft (48 m)	75 ft (23 m) bigger
Christ the Redeemer	125 ft (38 m)	43 ft (13 m) bigger
Argentinosaurus	115 ft (35 m) long	33 ft (10 m) bigger
Diplodocus	85 ft (26 m) long	3 ft 3 in (100 cm) bigger
Hot air balloon	82 ft (25 m)	0 pm smaller
Brachiosaurus	72 ft (22 m) long	9 ft 10 in (3 m) smaller
Semi-truck	72 ft (21.9 m) long	10 ft (3.1 m) smaller
Great Sphinx of Giza	66 ft (20 m)	16 ft (5 m) smaller
Oak tree	66 ft (20 m)	16 ft (5 m) smaller
Palm tree	66 ft (20 m)	16 ft (5 m) smaller
Sperm whale	52 ft (16 m) long	30 ft (9 m) smaller
Megalodon	52 ft (16 m) long	30 ft (9 m) smaller
Humpback whale	49 ft (15 m) long	33 ft (10 m) smaller
Mosasaurus	49 ft (15 m) long	33 ft (10 m) smaller
Spinosaurus	46 ft (14 m) long	36 ft (11 m) smaller
Hubble Space Telescope	43 ft (13.2 m) long	39 ft (11.8 m) smaller
Titanoboa	43 ft (13 m) long	39 ft (12 m) smaller
Giganotosaurus	41 ft (12.5 m) long	41 ft (12.5 m) smaller
School bus	40 ft (12.2 m) long	42 ft (12.8 m) smaller
Average man (world)	5 ft 7 in (171 cm)	14.6× smaller
Average woman (world)	5 ft 3 in (159 cm)	15.7× 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: Blue whale by Scott Hartman. See credits.