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A credit card is about 3.375 inches long and 2.125 inches wide. You won’t find cards that deviate from these internationally accepted standards, so your card should easily fit in any wallet. A credit card has a thickness of 0.03 inches and a weight of about 5 grams if it’s plastic and up to 28 grams if it’s metal.
But there are a number of non-literal ways you could answer this question, too. It’s good to know how long a credit card number is, for example, along with how long it takes to get a card, how long billing cycles last and how long a card is valid for.
Here’s how long a credit card is (in many ways):
- How long is a credit card in inches?
Approximately 3.375 inches long. - How long is a credit card number?
Usually, 16 digits but can be as few as 14 and as many as 19. - How long does it take to get approved for a credit card?
After you submit your application, you can get a response as soon as instantly, but it might take up to a month in some cases. - How long does it take to get a credit card by mail?
Typically 7-10 business days after approval, but many issuers let you pay for expedited delivery. - How long is a credit card billing cycle?
Around a month, but usually ranging from 25-31 days. You can see where your cycle starts and ends on your statement. - How long is a credit card valid for?
Through the end of the month in the expiration date listed on the card.
Credit cards aren’t too long in a physical sense, but they can take a while for approval, delivery and credit building. If you want advice on the best credit card for you, join WalletHub for free to get personalized credit card recommendations, along with daily updates to your credit report and score.

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Hey! So, I measured my credit card's length with a micrometer and it turned out to be 3.45 inches instead of the standard 3.37 inches. Is that even possible? I mean you can try it too. My credit card works just fine. It's just that I feel like 0.1 inch of an error is a bit too much for a machine to make. What do you think?