APR (Annual Percentage Rate)
The yearly cost of borrowing, shown as a percentage. It bundles the interest rate plus certain fees so you can compare loans, credit cards, and mortgages apples-to-apples.
APR tells you what it actually costs to borrow money over a year, rolled into a single percentage. For loans and credit cards, it includes not just the interest rate but also fees like origination charges or mortgage closing costs—giving you a much clearer picture than the interest rate alone.
Lenders are required by the Truth in Lending Act to show you the APR, which makes it your go-to number for comparing offers. Here's why it matters: a mortgage with a 6.5% interest rate and high closing costs might carry a 6.8% APR, while one at 6.7% interest with low fees might come in at 6.75% APR. That second option is actually cheaper, even though the rate looks higher.
Credit card APR works a bit differently. It kicks in on any balance you carry past your due date and typically compounds daily. A card with 24% APR charges roughly 0.066% per day on whatever you owe. The good news? If you pay your statement balance in full each month, you pay zero interest no matter what your APR is.
You'll also see "variable" and "fixed" APR. Variable APR moves with an index rate (usually the prime rate, which follows the Fed). Most credit cards are variable. Fixed APR stays the same for the life of the loan—common for auto loans, personal loans, and some mortgages.
Here's a practical takeaway: paying off high-APR debt (like credit cards at 20%+) should almost always come before investing. Eliminating a guaranteed 20% cost beats the expected return on most investments.
Frequently Asked Questions
▸Why is my credit card APR so high?
Credit cards are unsecured—there's no collateral backing them—so lenders charge more to cover the risk. The average credit card APR sits around 22-24%. If you carry a balance, the cost adds up fast. Your best move is paying the full statement balance each month so you never pay interest at all.
▸Is a lower APR always better for a mortgage?
Not always. A lower interest rate might come with higher closing costs or points, which pushes the APR up. Compare the APR across offers to see the true all-in cost. Also think about how long you plan to stay—paying points upfront might not be worth it if you're moving in a few years.
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