Loans & Credit

APR vs APY: What's the Difference?

Published July 9, 2026

APR is the simple annual rate with no allowance for compounding. APY is the effective annual rate once compounding is included, so it is always the higher of the two whenever interest compounds more than once a year. Convert with APY = (1 + APR/n)^n - 1. A 12% APR compounded monthly is a 12.68% APY.

APR and APY look almost identical, three letters apart, but confusing them can cost you real money. Banks quote one on your loans and the other on your savings, and they don't pick which to show by accident. Understanding the difference lets you compare financial products fairly and see through marketing that's designed to make a rate look better than it is.

APR: The Simple Annual Rate

APR (Annual Percentage Rate) is the nominal yearly interest rate. On loans, it typically also bundles in certain required fees, giving you the yearly cost of borrowing, but critically, APR does not account for compounding. It assumes interest is applied just once per year.

APR is the standard figure quoted on mortgages, car loans, personal loans, and credit cards, because for borrowing products a single, un-compounded rate looks lower and simpler.

APY: The Rate With Compounding Built In

APY (Annual Percentage Yield) is the effective annual rate after accounting for compounding. Because interest earns interest during the year, APY reflects what you actually earn (or, on a compounding debt, actually owe) over 12 months.

APY is the standard figure quoted on savings accounts, CDs, and money-market accounts, because for deposit products the compounded rate looks higher and more attractive.

The Key Relationship

Here's the rule to remember: for the same nominal rate, APY is always greater than or equal to APR. They're only equal when interest compounds exactly once per year. The more often compounding happens, the wider the gap.

Nominal RateCompoundingAPRAPY
5%Annually5.00%5.00%
5%Monthly5.00%5.12%
5%Daily5.00%5.13%

The gap looks small at 5%, but on high-rate credit-card debt (20%+) or over large balances, it becomes significant.

See Compounding in Action

Enter a rate and compounding frequency to see exactly how APY pulls ahead of APR, and what it means for your savings or debt.

Use the Compound Interest Calculator →

Why Banks Choose Which to Show

This is where it pays to be alert. Financial institutions consistently quote the figure that flatters the product:

  • On loans and credit cards, they advertise APR, the lower-looking number, even though your actual cost, once interest compounds monthly or daily, is closer to the APY.
  • On savings accounts and CDs, they advertise APY, the higher-looking number, to make the return appear more generous.

Neither is dishonest; both are standard practice. But it means you should mentally "translate" when comparing. To compare two products fairly, always compare like with like, APY to APY, or APR to APR.

How to Use This When Comparing Products

  • Comparing savings accounts? Compare the APY of each. It already includes compounding, so it's the true earning rate.
  • Comparing loans? Compare the APR of each, since it bundles required fees and is the industry standard for borrowing. For revolving debt like credit cards, remember your effective cost is a bit higher than the stated APR because of monthly compounding, a reason to clear balances fast with our Credit Card Payoff Calculator.
  • Comparing a loan to an investment? Convert both to the same basis (ideally APY) before deciding whether to pay down debt or invest.

APR and APY Questions People Ask

What is the difference between APR and APY?

APR states the nominal annual rate and ignores that interest is added during the year. APY states what you actually earn or owe once that compounding is counted. They are equal only when interest compounds exactly once a year.

How do you convert APR to APY?

APY = (1 + APR/n)^n - 1, where n is the number of compounding periods a year. A 12% APR compounded monthly gives (1 + 0.12/12)^12 - 1 = 12.68%. A 5% APR compounded daily gives 5.13%.

Which rate do lenders quote?

Lenders generally quote APR, which makes borrowing look slightly cheaper than it is. Savings accounts generally quote APY, which makes returns look slightly better. Each side quotes the number that flatters it, so compare like with like.

Does APR include fees?

For consumer credit in many jurisdictions, yes. Regulated APR disclosures fold in origination fees and certain charges, which is why the APR on a loan can exceed its headline interest rate. That is a separate adjustment from compounding.

Which should I use when comparing offers?

Convert everything to APY and compare those. Two accounts quoting 5% mean different things if one compounds daily and the other annually, and only the APY makes the difference visible.

Why does compounding frequency matter so much on credit cards?

Cards typically compound daily on the outstanding balance, so a quoted APR near 20% works out closer to a 22% effective rate. On a carried balance that gap is a meaningful amount of money each year.

Running Your Own Numbers

APR and APY answer the same question, "what's the yearly rate?", but only APY tells the whole truth, because only APY counts compounding. Compare savings by APY, loans by APR, and never let a headline rate fool you. Model the real numbers with our Compound Interest Calculator and Loan EMI Calculator before you commit. For official guidance on this topic, see the CFPB's explainer on APR.

This article is for educational purposes only and is not financial advice. See our Disclaimer.