APR is the yearly cost of borrowing money, shown as a percentage
APR stands for Annual Percentage Rate. It tells you what it costs to borrow money over one year, expressed as a percentage of the amount you borrowed. If a credit card has a 20% APR and you carry a $1,000 balance for a full year without paying it down, you will owe roughly $200 in interest charges on top of that $1,000.
APR is the number lenders are required by law to show you before you sign anything. It exists so you can compare the true cost of borrowing across different lenders, because the interest rate alone does not tell the whole story — APR includes fees, how often interest compounds, and other costs bundled into one number.
The key word is "annual." APR always describes a yearly rate, even if you only borrow for a month or pay off the loan in three years. It is the standard way to measure borrowing cost so you can compare a credit card offer to a personal loan offer to a mortgage, all on the same scale.
Key Takeaways
- APR is the percentage cost of borrowing money for one year, including interest and fees, shown as a single number so you can compare offers.
- A higher APR means you pay more to borrow the same amount of money, so comparing APRs between lenders helps you find the cheaper option.
- APR and interest rate are not the same thing — APR includes fees and compounding, while interest rate is just the percentage charged on the balance.
- Fixed APR stays the same for the life of the loan or account; variable APR can change based on market conditions or the lender's choice.
- Your credit score, income, and the type of loan you want all affect what APR a lender will offer you.
How APR differs from the interest rate
The interest rate is just the percentage the lender charges on your balance. APR includes that interest rate plus other costs — origination fees, closing costs, or annual membership fees — all converted into a single yearly percentage. This is why APR is always equal to or higher than the interest rate.
Example: A credit card might advertise a 15% interest rate, but if there is a $95 annual fee, the APR will be higher than 15% because that fee gets factored in. A mortgage might have a 6% interest rate but a 6.5% APR because closing costs and origination fees are included in the APR calculation.
Lenders must show you both numbers, but APR is what you should use to compare one offer to another. The interest rate alone can hide the true cost.
Fixed APR versus variable APR
Fixed APR means the rate stays the same for the entire time you owe the money. If you get a personal loan at 10% fixed APR, it will be 10% in month one and 10% in month 60. This makes your payments predictable and protects you if market interest rates rise.
Variable APR can change over time, usually tied to a market index like the prime rate. Credit cards almost always have variable APR. A card might start at 18% APR, but if the Federal Reserve raises rates, your APR might climb to 20% or higher. The lender tells you how often it can change — usually monthly or quarterly — and what index it is tied to.
Fixed APR is generally safer if you plan to carry a balance, because you know exactly what you will pay. Variable APR can be cheaper at first, but it carries the risk that your payments will rise later.
Why your APR depends on your credit score
Lenders use your credit score to decide what APR to offer you. A higher credit score signals that you have paid past debts on time, so the lender sees less risk. That lower risk means a lower APR. A lower credit score means higher risk, so you get a higher APR.
The difference is significant. Someone with a 750 credit score might get a credit card at 16% APR, while someone with a 620 score might only be offered 24% APR for the same card. Over time, that 8-percentage-point gap costs thousands of dollars in extra interest.
Other factors also affect your APR: your income, how much you want to borrow, the type of loan, and current market conditions. But credit score is usually the biggest driver. This is why building credit before you borrow can save you real money.
How APR affects what you actually pay
APR determines how much interest you owe, but the total interest you actually pay depends on how long you carry the balance. A credit card with 20% APR costs you roughly $20 per year for every $100 you owe — but only if you carry that balance for the full year.
If you pay off a $1,000 credit card balance in three months instead of twelve, you pay roughly one-quarter of the annual interest. If you pay it off in full each month, you pay zero interest, because most credit cards have a grace period before interest kicks in.
For installment loans like car loans or mortgages, you pay a fixed amount each month, and part of each payment goes to interest and part to principal. A higher APR means more of each payment goes to interest and less to paying down what you owe, so you pay more total interest over the life of the loan.
What APR means for different types of borrowing
Credit cards typically have the highest APR — often 15% to 25% — because the lender has no collateral if you do not pay. Personal loans usually range from 6% to 36% depending on your credit. Car loans are lower, often 3% to 10%, because the car itself is collateral. Mortgages are the lowest, often 3% to 7%, because the house is collateral and the loan is spread over 15 or 30 years.
The type of loan matters because it affects the lender's risk. If you stop paying a credit card, the lender has no asset to take back. If you stop paying a car loan, the lender repossesses the car. This difference in risk is why credit card APR is so much higher than mortgage APR, even for the same person.
Understanding this helps you choose the right borrowing tool. If you need money for a short-term expense, a credit card might be convenient but expensive. If you need a larger amount, a personal loan or home equity line of credit might have a lower APR.
How to compare APR across lenders
When you shop for a loan or credit card, ask each lender for the APR in writing. Do not compare interest rates alone — always compare APR to APR. Write down the APR from each lender, along with any fees, and calculate which one costs the least over the time you plan to borrow.
For credit cards, also check whether the APR is fixed or variable, and whether there is an introductory rate. Some cards offer 0% APR for six months, then jump to 18% APR. If you plan to pay off the balance before the intro period ends, that card might be cheaper than one with a steady 15% APR.
For installment loans, use the APR to calculate the total interest you will pay. A $10,000 personal loan at 10% APR over five years costs more in total interest than the same loan at 8% APR, even though the difference seems small. The APR is the tool that lets you see that difference before you sign.
Frequently Asked Questions
Is APR the same as interest rate?
No. Interest rate is just the percentage charged on your balance. APR includes the interest rate plus fees and other costs, converted into a yearly percentage. APR is always equal to or higher than the interest rate, and it is the number you should use to compare offers.
Can my APR change after I open an account?
Yes, if you have a variable APR. Fixed APR stays the same for the life of the loan. Variable APR can change based on market conditions or the lender's decision, usually monthly or quarterly. Credit cards almost always have variable APR. Check your account agreement to see which type you have.
What is a good APR?
It depends on the type of loan and your credit score. Credit cards typically range from 15% to 25%. Personal loans range from 6% to 36%. Car loans range from 3% to 10%. Mortgages range from 3% to 7%. The better your credit score, the lower the APR you will be offered.
Does paying off my balance early save me money on APR?
Yes. APR is an annual rate, so the less time you carry a balance, the less interest you pay. If you pay off a credit card in three months instead of twelve, you pay roughly one-quarter of the annual interest. Paying in full each month means you pay zero interest on most credit cards.
Why do different lenders offer different APRs?
Lenders use different credit scoring models, have different costs, and take different levels of risk. They also compete for customers, so some offer lower APRs to attract borrowers with good credit. Shopping around and comparing APR across multiple lenders usually saves you money.