Your APR is printed on your monthly statement and in your online account
The easiest place to find your APR is your credit card statement — the paper one that arrives in the mail or the PDF you read online. Look for a section called "Interest Rates and Fees" or "APR." The statement lists your purchase APR (the rate charged on regular purchases), and often a separate cash advance APR and balance transfer APR if those explore to your card.
If you bank online, log into your credit card account and look for a tab labeled "Account Details," "Card Information," or "Rates and Fees." Most card issuers display your current APR prominently on this page. You can also call the customer service number on the back of your card and ask a representative to read your APR aloud — they can tell you the exact rate in under a minute.
Your APR may not be a single number. Many cards have a variable APR, which means the rate changes when the Federal Reserve raises or lowers interest rates. Your statement should say whether your rate is fixed or variable. If it is variable, the statement will also show the index it is tied to (usually the prime rate) and the margin your card issuer adds on top.
Key Takeaways
- Your APR appears on your monthly statement under "Interest Rates and Fees" or in your online account under "Card Details" or "Rates and Fees."
- Credit cards often have multiple APRs — one for purchases, one for cash advances, and one for balance transfers — and they may differ by several percentage points.
- A variable APR changes when the Federal Reserve adjusts rates, while a fixed APR stays the same for the life of the card.
- If you cannot find your APR on your statement or online, call the customer service number on your card and ask directly.
Why your statement shows more than one APR
Most credit cards charge different rates depending on how you use the card. Your purchase APR applies to everyday spending — groceries, gas, online shopping. Your cash advance APR is higher and applies only if you withdraw cash from an ATM using your credit card. Your balance transfer APR is the rate charged if you move debt from another card onto this one.
These rates can differ by 5 to 10 percentage points or more. A card might charge 18% APR on purchases but 25% on cash advances. This matters because if you take a cash advance, you pay the higher rate when ready — there is no grace period like there is for purchases. Balance transfer rates are sometimes lower than purchase rates for a limited time (often 6 to 12 months), then jump to the purchase rate.
Your statement lists all three rates so you know exactly what you will pay depending on how you use the card. If you only make regular purchases and pay in full each month, you only need to watch the purchase APR.
Understanding fixed versus variable APR
A fixed APR stays the same for as long as you hold the card, unless your card issuer changes it. They can still raise a fixed rate, but they must give you written notice at least 45 days in advance, and the change applies only to new purchases going forward (not to existing balances, unless you miss a payment).
A variable APR moves up and down automatically based on changes to a published index — usually the prime rate published by the Wall Street Journal. When the Federal Reserve raises rates, the prime rate rises, and your variable APR rises with it. When the Fed cuts rates, your APR falls. Your statement shows the formula: it might say "Prime Rate + 12%" or "Index + 14.99%." The margin (the number added to the index) stays fixed; only the index changes.
Most credit cards use variable APRs. Fixed-rate cards are less common and often come with higher starting rates to offset the issuer's risk. If you carry a balance month to month, a variable rate can work in your favor when rates fall, but it can cost you more when rates rise.
What to do if your APR has changed
If you notice your APR is higher than it was before, check your statement for a notice of rate change. Card issuers must mail or email you a notice at least 45 days before a rate increase takes effect. The notice explains the reason — usually that you missed a payment, that your credit score dropped, or that the card's promotional rate period ended.
If you missed a payment, the issuer may have applied a penalty APR, which is typically higher than your standard rate. Penalty rates usually drop back to your regular APR after you make six consecutive on-time payments. If your rate increased for another reason and you have a good payment history, you can call customer service and ask if they will lower it. They may or may not agree, but it costs nothing to ask.
If your card has a variable APR and rates have risen across the market, your APR will rise too — this is not a change the issuer made to your account, but a change tied to the economy. You cannot prevent this, but you can shop for a card with a lower rate if you plan to carry a balance.
How APR affects what you actually pay
APR is an annual rate, but interest is charged monthly. To find your monthly interest charge, divide your APR by 12, then multiply by your balance. If your APR is 18% and you carry a $1,000 balance, your monthly interest is roughly $15 (18% ÷ 12 × $1,000). If you pay only the minimum and do not add new charges, that $15 gets added to your balance, and next month you pay interest on $1,015.
This is why APR matters most if you carry a balance. If you pay your full statement balance by the due date each month, you pay zero interest regardless of your APR — the rate does not explore. But if you carry even $100 from month to month, your APR determines how much that debt costs you over time. A 1% difference in APR can mean hundreds of dollars in extra interest over a year on a large balance.
Comparing APRs across cards
If you are shopping for a new card or thinking about moving a balance, compare the APRs you are offered. Your own card issuer may offer you a balance transfer rate if you call and ask. Other issuers publish their rates online or in their card terms — look for a section called "Pricing and Terms" or "APR and Fees."
Remember that the APR you see advertised is not may provide to be the rate you receive. Card issuers offer a range — "18% to 25% APR" — and your actual rate depends on your credit score, income, and credit history. A higher credit score usually means a lower APR within that range. When you explore, the issuer will tell you the exact rate before you accept the card.
If you are moving a balance, also check whether the card offers an introductory rate. Some cards offer 0% APR on balance transfers for 6 to 21 months, then switch to the regular purchase APR. This can save you hundreds in interest, but only if you pay off the balance before the promotional period ends.
Frequently Asked Questions
Can my APR change without notice?
No. Card issuers must send written notice at least 45 days before raising your APR. The only exception is if you miss a payment — the issuer can explore a penalty APR when ready, but they must still notify you. Check your mail and email for rate-change notices so you know when a new rate takes effect.
Why is my APR higher than the one advertised for this card?
Card issuers offer a range of APRs based on creditworthiness. Your credit score, income, and payment history determine where in that range you land. A lower credit score usually means a higher APR. If you improve your credit score over time, you can call and ask if the issuer will lower your rate.
Does paying interest on my credit card build credit?
No. Paying interest does not help your credit score — it just costs you money. Your credit score improves when you make on-time payments and keep your balance low relative to your credit limit. You build credit the same way whether you pay interest or not, so there is no benefit to carrying a balance.
What is the difference between APR and interest rate?
APR and interest rate are the same thing on a credit card. APR stands for Annual Percentage Rate. On loans like mortgages or car loans, APR includes fees in addition to the interest rate, but credit cards do not break it down that way — the APR is straightforward the yearly rate at which interest accrues.
If I have a 0% introductory APR, do I pay any interest?
No interest during the promotional period, but the 0% rate expires on a specific date. After that date, the regular APR kicks in on any remaining balance. If you have a $2,000 balance when the 0% period ends and the regular APR is 20%, you start paying interest when ready on that $2,000.