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How Big Is a Goliath Birdeater?

A goliath birdeater is about 11 in (28 cm) long. That is about 6.1 times smaller than the average man. The largest spider in the world by mass.

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How big is a goliath birdeater compared to the average man?

A goliath birdeater is about 6.1 times smaller than the average man. The average man is 6.1× the size of a goliath birdeater: about 6.1 goliath birdeaters stacked up would match it. By volume, about 371 goliath birdeaters would fit inside the average man.

Goliath Birdeater size facts

Its leg span reaches about 28 cm (11 in), as wide as a dinner plate.
Despite the name, it rarely eats birds.

How does a goliath birdeater compare to other things?

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

Thing	Size	Compared to Goliath birdeater
Sun	865,000 miles (1,393,000 km) across	4.97 billion× bigger
Earth	7,920 miles (12,740 km) across	45.5 million× bigger
Mount Everest	5.5 miles (8.849 km)	31,600× bigger
Eiffel Tower	1,083 ft (330 m)	1,180× bigger
School bus	40 ft (12.2 m) long	43.6× bigger
Average man (world)	5 ft 7 in (171 cm)	6.1× bigger
Average woman (world)	5 ft 3 in (159 cm)	5.7× bigger
Dodo	2 ft 7.5 in (80 cm)	1 ft 8.5 in (52 cm) bigger
1-year-old	2 ft 5.5 in (75 cm)	1 ft 6.5 in (47 cm) bigger
House cat	2 ft 5.5 in (75 cm) long	1 ft 6.5 in (47 cm) bigger
Common raven	2 ft 1 in (63 cm) long	1 ft 2 in (35 cm) bigger
Jyoti Amge	2 ft 0.5 in (63 cm)	1 ft 1.5 in (35 cm) bigger
Great horned owl	1 ft 9.5 in (55 cm)	11 in (27 cm) bigger
Chandra Bahadur Dangi	1 ft 9.5 in (55 cm)	10 in (26.6 cm) bigger
Newborn baby	1 ft 7.5 in (50 cm)	8.7 in (22 cm) bigger
American crow	1 ft 5.5 in (45 cm) long	6.7 in (17 cm) bigger
Basketball	9.4 in (24 cm) across	1.6 in (4 cm) smaller
Soccer ball	8.7 in (22 cm) across	2.4 in (6 cm) smaller
Bowling ball	8.6 in (21.8 cm) across	2.4 in (6.2 cm) smaller
Dwarf lanternshark	7.9 in (20 cm) long	3.1 in (8 cm) smaller
Pencil	7.5 in (19 cm) long	3.5 in (9 cm) smaller
Banana	7.1 in (18 cm) long	3.9 in (10 cm) smaller
House mouse	6.7 in (17 cm) long	4.3 in (11 cm) smaller
Smartphone	5.8 in (14.7 cm)	5.2 in (13.3 cm) smaller
Monarch butterfly	3.9 in (10 cm) long	7.1 in (18 cm) 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: Goliath birdeater by Guillaume Dera. See credits.