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Credit card interest rates are a percentage of the amount a borrower owes, depending on the total amount lent, the length of the loan, and compounding frequency.
Building credit with credit cards can be an excellent way to achieve financial independence, earn rewards, and make significant purchases. However, a few aspects may not be straightforward, such as interest rates. To complicate it further, interest rates can seemingly rise and fall without warning, leaving many newcomers scratching their heads and wondering how credit card interest works. In this post, we’ll cover the basics of credit card interest, including what it is, when it gets charged, and the methods of calculating interest. By the end of this post, you’ll feel comfortable knowing how interest works, and you can use this knowledge to make informed financial decisions.
Key Takeaways:
Interest rates are how credit card companies earn money from their customers and reflect how much more customers will pay for their outstanding balances. When you make a credit card purchase, you’re essentially borrowing money from the issuer, and the interest rate is the cost of that. And of course, you’re responsible for paying off the balance.
If you make a large purchase and can’t pay it off before the next billing cycle, your issuer will charge you interest for the remaining balance in your account. Furthermore, interest will continue to accrue when your balance carries over from one billing cycle to the next. It’s important to note that interest charges on credit cards start after a billing cycle and its grace period.
In every billing cycle, you may incur interest charges on purchases. Some larger charges can have individual interest promotions and financing offers, which you must pay off every month to avoid interest getting charged to your account.
Most credit card companies charge interest at the end of their monthly billing cycles. However, it’s important to remember that each credit card company has its own billing cycles and interest-free programs that customers can benefit from. This means that the frequency of credit card companies charging interest happens case by case.
Your best chance of reducing the monthly interest that credit cards will charge you is by eliminating the existing balance on your account. The last thing you want is for the balance to carry over from month to month, creating revolving utilization.
You may also be at risk of compound interest if you aren’t careful. Interest may compound daily, weekly, monthly, or quarterly. Compounding interest is not only determined by your principal balance, but it also accrues interest from your already existing interest.
Your credit card issuer will most likely show your interest rate as a percentage known as the annual percentage rate, or APR. But just because this percentage rate is labeled “annual,” it doesn’t mean that interest rates will only accrue yearly.
In fact, most credit card companies use the annual percentage rate to determine how interest will be added to your remaining balance. Since interest rates become part of your overall balance, you’ll pay off interest monthly as you pay off your credit.
Though credit card companies aren’t required by federal law to provide a grace period to their issuers, most companies will provide them. These grace periods usually happen after a payment is due but before the bill is due.
Paying off your balance while in a grace period can help you break bad credit card habits by reducing your monthly interest charges.
Knowing how to calculate credit card interest can help you plan for big purchases. But you’ll need to know a few things first, like the remaining balance on your credit card—the amount you owe your issuer. You’ll also need to be aware of your APR.
Interest for credit cards is calculated by dividing your annual percentage rate by 12 (for months of the year) then multiplying that number by the remaining balance on your account. For example, if you owe $750 and your APR is 15.6%, your interest rate formula will look like this:
(15.6 / 12) x 750 = monthly interest rate
In the above example, 15.6 divided by 12 is 1.3%, which is your monthly interest percentage. Convert this percentage to a decimal (.013) and multiply it by 750. This means the monthly interest in the example above is $9.75.
Another way to calculate your credit card interest is by finding your daily periodic rate (DPR). Simply divide your interest rate by the number of days in the current year to see how much your interest rate affects your outstanding balance on a daily basis.
15.6 / 365 = daily periodic rate
In the above example, the daily periodic rate equals .04%. If you multiply that by your daily balance, you’ll see how daily charges accrue interest to your credit card account. Understanding how APR works is an important step in planning your financial future and knowing your credit health.
Though many credit card companies use “APR” and “interest rate” interchangeably, they don’t necessarily mean the same thing. APR refers to the complete yearly interest and includes other charges like origination fees, closing costs, and other expenses you’ll pay your issuer.
The interest rate, however, solely focuses on the accruing interest that will get added to your balance at the end of each billing cycle. The main difference between an interest rate vs. an APR is that the interest rate is more of a short-term view, while the APR is a more detailed breakdown of the complete loan. This is why it’s important to find a credit card with a lower APR.
There are many different types of credit card interest rates you should keep in mind before taking out a loan. These types of interest will determine when interest will accrue on your credit card. Be sure you understand which kind of interest you’ll pay and the stipulations of your contract.
Interest can sound scary on the surface. However, there are several ways that you can avoid credit card interest and ensure you have a good credit score while doing so. Interest rates can compound, so following these best practices to avoid credit card interest can help you in the long term.
On the surface, interest is complicated. Though we don’t learn about interest rates in school, knowing how credit card interest works and how to avoid interest is a great first step to financial health, freedom, and avoiding going over your credit limit. Learning to be responsible with your money and credit card balances will equip you with the knowledge to master your credit and finances.
Check out Credit.com to learn more about how credit cards affect your finances.
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