Personal Finance Credit Cards

How to Use a Credit Card

Young woman pays with a credit card.
Young Americans are falling deeper into credit card debt. PetkoNinovDanov/Getty Images
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Understanding how to use a credit card starts with familiarizing yourself with its terms, such as APR, credit limits, and billing cycles. Getting online access to your account can help you monitor transactions, pay bills on time, and check your balance in real time. 

It's also crucial to know the rewards and benefits that come with your card, such as cash back, travel points, or purchase protection, to ensure you're leveraging them to their fullest potential.

How credit cards work

Before getting started, you should understand how a credit card works. Credit cards allow you to borrow money for making purchases up to a specified credit limit. 

You'll pay off your balance each month, and if you carry a balance, interest will be charged on that amount. Each month, you receive a bill detailing your spending and the total amount you owe. You can avoid extra charges, such as interest, by paying the full balance by the due date.

Types of credit cards and their benefits

Several types of credit cards are available, such as travel rewards cards, balance transfer cards, and cash-back cards. 

Travel rewards cards earn miles or points for purchases, while cash-back cards offer a small percentage of your spending back. To qualify for the best rewards cards, you'll need a good credit score. These cards tend to have the highest interest rates, so you'll definitely want to avoid carrying a balance from month to month.

Balance transfer cards allow cardholders to pay down existing debt while avoiding large interest charges for an introductory period. 

The type of card that's right for you depends on your current financial situation, your spending habits, and your goals. 

Key credit card terms to know

Your ability to manage your credit cards responsibly will depend on how well you understand the terms of your credit cards and how credit scores are calculated. 

The most important credit card terms to know include:

  • Credit limit: The maximum amount you can borrow (i.e., charge) with your card.
  • APR (Annual Percentage Rate): The interest rate you'll pay if you don't pay your bill in full.
  • Minimum payment: The smallest amount you must pay to avoid late fees.
  • Grace period: The time between the end of your billing cycle and your payment due date, when you can pay without being charged interest.
  • Introductory rate: A special low-interest rate offered for a limited time when you first open a credit card.
  • Statement balance: The total amount owed at the end of the billing cycle.
  • Annual fee: The yearly fee some credit cards charge just for having the card.
  • Late fee: The fee charged if you miss your payment due date.

Steps to use a credit card responsibly

Setting a budget and spending only what you can afford

Making a budget for your spending is the best way to ensure you won't fall into debt. Treat your credit card like a debit card by spending only what you can afford to pay off each month. 

Making on-time payments and avoiding late fees

Setting up automatic credit card payments for at least the minimum amount due can help you avoid late fees and penalty APRs. Ideally, you should pay off the full statement balance each month to avoid interest charges. And, for the record, you can't pay a credit card with another credit card.

Paying off your balance vs. minimum payments

If you only make the minimum payment on your credit card each month, you'll avoid late fees, but you'll be charged interest on any outstanding balance. Pay the full balance whenever possible to avoid extra costs and save money. 

How to maximize credit card benefits

Earning and redeeming rewards

To get the most out of your credit card benefits, choose a card that aligns with your spending habits. For instance, if you spend the most on groceries and gas, look for a card that earns credit card rewards or other perks for those specific categories. There are several top credit cards for groceries and credit cards for buying gas.

Then, redeem the rewards you accumulate for items that provide the greatest value, such as flights or hotel stays. 

If you prefer the simplicity of cash back or don't want to learn the intricacies of redeeming rewards for trave, a cash-back card is likely a better option.

Leveraging introductory APR and balance transfer offers

Credit cards with introductory APR offers can help you save on big purchases by giving you 0% interest for a limited time. Just make sure to pay it off before the regular rate kicks in, or you'll end up paying interest fees, which defeats the purpose. 

You can also consider taking advantage of credit card balance transfer offers to manage high-interest credit card debt. You can also use balance transfers if you need time to pay off a large purchase — like an engagement ring — on your credit card, but be aware of transfer fees and the terms of the offer.

Common credit card mistakes to avoid

Carrying a high balance and accruing interest

Carrying a high balance on your credit card can lead to expensive interest charges. Doing so can also hurt your credit score, as it raises your credit utilization ratio.

Missing payments and damaging your credit

If you miss a credit card payment, you'll potentially face late fees, higher interest rates, and a drop in your credit score. Setting up reminders or automatic payments is wise to avoid forgetting due dates.

Overspending due to credit card limits

A high credit limit doesn't mean you should spend up to it. Overspending can lead to debt and make it harder to pay off your balance. Avoid using your credit card for impulse purchases or spending beyond your means, as this can lead to difficult-to-manage debt. You should only spend what you can afford to pay off on a monthly basis.

Building credit history with your credit card

You can build credit by using your credit card to make small, manageable purchases and pay them off consistently. This will show lenders that you can manage a credit line responsibly.

Why building credit matters for future loans

Good credit makes qualifying for loans, like car loans or mortgages, easier. It also helps you get more favorable interest rates. Lenders view a strong credit history as proof that you're responsible with money. Good credit can also help with things like renting an apartment or even getting a job.

Keeping a low credit utilization ratio

A low credit utilization ratio can boost your credit score and show issuers that you're able to manage your credit responsibly. Aim to use less than 30% of your total credit limit. Paying off your balance regularly helps keep your ratio low and your score high.

Monitoring your credit statements and credit score 

Review your credit card statements regularly to verify transactions and monitor for unauthorized charges. If you encounter a suspicious or unfamiliar charge, be sure to address it promptly with your issuer.

It's also important to monitor your credit score and credit profile. Check the accuracy of your credit report to ensure there isn't any erroneous information that's negatively impacting your score. If you find any inaccuracies, you should work with the reporting agency to help fix your credit.  

FAQs on how to use a credit card

Does carrying a balance improve my credit score?

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No, carrying a balance does not help your score. Paying off your balance in full each month is better for your credit and saves you from paying interest.

What is a good credit utilization ratio?

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A good credit utilization ratio is 30% or lower. For example, if your available credit limit is $10,000, try to keep your balance under $3,000. This will indicate to banks that you're doing a good job of managing your credit responsibly.

Can using a credit card build my credit score?

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Yes, responsible credit card use, including timely payments and low credit utilization, can build and improve your credit score over time.

What do I do if I find an unauthorized charge on my card?

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If you find an unauthorized charge on your card, report it to your credit card issuer immediately to dispute the charge and secure your account.

How many credit cards should I have to improve my credit?

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The optimal number of credit cards varies, but having a few cards that you manage well can help build your credit more than having a single card.

Is it bad to use a credit card for every purchase?

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It's not necessarily bad to use a credit card for every purchase, as long as you can pay off the balance each month. This strategy can maximize rewards and build credit.

Editorial Note: Any opinions, analyses, reviews, or recommendations expressed in this article are the author’s alone, and have not been reviewed, approved, or otherwise endorsed by any card issuer. Read our editorial standards.

Please note: While the offers mentioned above are accurate at the time of publication, they're subject to change at any time and may have changed, or may no longer be available.

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Meghan Hunter is a personal finance and travel expert who has been writing about travel, credit cards, and miles and points since 2015. Previously, she worked as a writer and editor at Million Mile Secrets and The Points Guy. She covers travel, credit cards, and insurance for Personal Finance insider.Beyond travel, she's passionate about real estate investing and encouraging women toward financial independence. When she's not writing or editing, you can find her looking for her next investment or reviewing her retirement goals.Meghan lives in Portugal with her adventure-loving daughter.