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How Big Is a Credit Card?

A credit card is about 3.4 in (8.56 cm) long. That is about 20 times smaller than the average man. A standard bank card.

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How big is a credit card compared to the average man?

A credit card is about 20 times smaller than the average man. The average man is 20× the size of a credit card: about 20 credit cards stacked up would match it.

Credit Card size facts

Credit cards are 85.6 × 53.98 mm, an international standard size.

How does a credit card compare to other things?

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

Thing	Size	Compared to Credit card
Sun	865,000 miles (1,393,000 km) across	16.3 billion× bigger
Earth	7,920 miles (12,740 km) across	149 million× bigger
Mount Everest	5.5 miles (8.849 km)	103,000× bigger
Eiffel Tower	1,083 ft (330 m)	3,860× bigger
School bus	40 ft (12.2 m) long	143× bigger
Average man (world)	5 ft 7 in (171 cm)	20× bigger
Average woman (world)	5 ft 3 in (159 cm)	18.6× bigger
American crow	1 ft 5.5 in (45 cm) long	5.3× bigger
Goliath birdeater	11 in (28 cm) long	3.3× bigger
Basketball	9.4 in (24 cm) across	6.1 in (15.4 cm) bigger
Soccer ball	8.7 in (22 cm) across	5.3 in (13.4 cm) bigger
Bowling ball	8.6 in (21.8 cm) across	5.2 in (13.2 cm) bigger
Dwarf lanternshark	7.9 in (20 cm) long	4.5 in (11.4 cm) bigger
Pencil	7.5 in (19 cm) long	4.1 in (10.4 cm) bigger
Banana	7.1 in (18 cm) long	3.7 in (9.44 cm) bigger
House mouse	6.7 in (17 cm) long	3.3 in (8.44 cm) bigger
Smartphone	5.8 in (14.7 cm)	2.4 in (6.14 cm) bigger
Monarch butterfly	3.9 in (10 cm) long	0.57 in (1.44 cm) bigger
Apple	3.1 in (8 cm) long	0.22 in (5.6 mm) smaller
Baseball	2.9 in (7.4 cm) across	0.46 in (1.16 cm) smaller
Tennis ball	2.6 in (6.7 cm) across	0.73 in (1.86 cm) smaller
Wolf spider	2.4 in (6 cm) long	1 in (2.56 cm) smaller
Bee hummingbird	2.2 in (5.5 cm) long	1.2 in (3.06 cm) smaller
Golf ball	1.7 in (4.27 cm) across	1.7 in (4.29 cm) smaller
US quarter	0.96 in (2.43 cm) across	3.5× smaller

Where do these numbers come from?

Sizes are typical adult or reported values, rounded for readability. Read how we measure and compare sizes.