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How Big Is a Bowling Ball?

A bowling ball is about 8.6 in (21.8 cm) across. That is about 7.8 times smaller than the average man. A ten-pin bowling ball.

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How big is a bowling ball compared to the average man?

A bowling ball is about 7.8 times smaller than the average man. The average man is 7.8× the size of a bowling ball: about 7.8 bowling balls stacked up would match it. By volume, about 12 bowling balls would fit inside the average man.

Bowling Ball size facts

A bowling ball is about 21.8 cm (8.6 in) across.

How does a bowling ball compare to other things?

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

Thing	Size	Compared to Bowling ball
Sun	865,000 miles (1,393,000 km) across	6.39 billion× bigger
Earth	7,920 miles (12,740 km) across	58.4 million× bigger
Mount Everest	5.5 miles (8.849 km)	40,600× bigger
Eiffel Tower	1,083 ft (330 m)	1,510× bigger
School bus	40 ft (12.2 m) long	56× bigger
Average man (world)	5 ft 7 in (171 cm)	7.8× bigger
Average woman (world)	5 ft 3 in (159 cm)	7.3× bigger
Common raven	2 ft 1 in (63 cm) long	1 ft 4 in (41 cm) bigger
Jyoti Amge	2 ft 0.5 in (63 cm)	1 ft 4 in (41 cm) bigger
Great horned owl	1 ft 9.5 in (55 cm)	1 ft 1 in (33 cm) bigger
Chandra Bahadur Dangi	1 ft 9.5 in (55 cm)	1 ft 1 in (33 cm) bigger
Newborn baby	1 ft 7.5 in (50 cm)	11 in (28.2 cm) bigger
American crow	1 ft 5.5 in (45 cm) long	9.1 in (23.2 cm) bigger
Goliath birdeater	11 in (28 cm) long	2.4 in (6.2 cm) bigger
Basketball	9.4 in (24 cm) across	0.87 in (2.2 cm) bigger
Soccer ball	8.7 in (22 cm) across	0.079 in (2 mm) bigger
Dwarf lanternshark	7.9 in (20 cm) long	0.71 in (1.8 cm) smaller
Pencil	7.5 in (19 cm) long	1.1 in (2.8 cm) smaller
Banana	7.1 in (18 cm) long	1.5 in (3.8 cm) smaller
House mouse	6.7 in (17 cm) long	1.9 in (4.8 cm) smaller
Smartphone	5.8 in (14.7 cm)	2.8 in (7.1 cm) smaller
Monarch butterfly	3.9 in (10 cm) long	4.6 in (11.8 cm) smaller
Credit card	3.4 in (8.56 cm) long	5.2 in (13.2 cm) smaller
Apple	3.1 in (8 cm) long	5.4 in (13.8 cm) smaller
Baseball	2.9 in (7.4 cm) across	5.7 in (14.4 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.