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Lesson 16 min

What Is a Credit Card?

Learn how credit cards work, the difference between credit and debit, and understand revolving credit.

## What Is a Credit Card? A credit card is a financial tool issued by a bank or financial institution that allows you to borrow money up to a pre-set limit to make purchases, pay bills, or withdraw cash. Unlike paying with your own money directly, you are essentially taking a short-term loan from the card issuer every time you swipe. ### Credit vs. Debit: The Key Difference Many people confuse credit cards with debit cards because they look nearly identical. The difference is fundamental: - **Debit cards** pull money directly from your checking account. If you have $500 in your account, that is the most you can spend. - **Credit cards** let you borrow from the issuer's funds. You receive a monthly bill and must pay it back, either in full or over time with interest. Because credit card transactions are loans, they are reported to the three major credit bureaus -- Equifax, Experian, and TransUnion. This reporting is what builds (or damages) your credit history. ### How the Credit Cycle Works 1. **You make a purchase.** The merchant receives payment from the card network (Visa, Mastercard, etc.), and the amount is added to your card balance. 2. **Your statement closes.** At the end of each billing cycle (roughly 30 days), the issuer generates a statement showing your total balance, minimum payment due, and due date. 3. **You pay your bill.** If you pay the full statement balance by the due date, you owe zero interest. If you pay less than the full amount, interest accrues on the remaining balance. ### Understanding Your Credit Limit Your **credit limit** is the maximum amount the issuer allows you to borrow at any given time. It is determined by your income, credit history, and the issuer's risk assessment. Spending close to your limit -- known as having a high **credit utilization ratio** -- can negatively impact your credit score. **Best practice:** Try to keep your utilization below 30% of your total available credit, and below 10% for the best possible score impact. ### Revolving Credit Explained Credit cards are a form of **revolving credit**. This means: - You have a set credit limit that replenishes as you pay off your balance. - You can carry a balance from month to month (though this incurs interest). - There is no fixed repayment schedule like a car loan or mortgage. This flexibility is powerful but requires discipline. Carrying a balance month after month can lead to significant interest charges that make purchases far more expensive than their original price. ### Key Takeaways - A credit card is a borrowing tool, not free money. - Paying your full statement balance each month avoids interest charges entirely. - Responsible use builds your credit history, which affects your ability to get loans, apartments, and even some jobs.

Calculate Your Utilization

You have a credit card with a $5,000 limit and a current balance of $1,200. What is your credit utilization ratio? Is it within the recommended range?

Lesson Quiz

Test your understanding of this lesson. You need 60% to pass and mark the lesson as complete.

QUESTION 1 OF 4

What is the main difference between a credit card and a debit card?