APR vs APY: What Is the Difference?
APR vs APY explained: APR is the yearly cost of borrowing, while APY is what you earn with compounding. Learn the difference and when each one applies.
By Marcus Ainsworth
·Editor-in-Chief ·
·
7 min read
APR is the annual percentage rate, a yearly figure that usually ignores compounding, while APY is the annual percentage yield, which includes compounding and therefore shows what you truly earn or pay over a year. The two look similar but can tell different stories, and knowing which one you are looking at helps you compare loans and savings accurately. This is general educational information, not personalized financial advice; definitions and disclosure rules can vary by product and country and change over time.
What do APR and APY actually mean?
APR expresses an annual rate and, for loans, often bundles in certain required fees to reflect borrowing cost. What it typically does not do is capture the effect of interest compounding during the year. APY takes the opposite approach: it folds in compounding, so it reflects the real annual return on savings or the real annual growth of an amount.
The practical result is that for the same nominal rate, APY is equal to or higher than APR, and the gap widens as compounding becomes more frequent.
How do APR and APY compare side by side?
| Feature | APR | APY |
|---|---|---|
| Full name | Annual percentage rate | Annual percentage yield |
| Accounts for compounding | Generally no | Yes |
| Often used for | Loans and credit | Savings and deposits |
| May include fees | Often, for loans | Typically no |
| Relationship | Equal to or lower than APY | Equal to or higher than APR |
Why does compounding create the difference?
Compounding means interest is added to the balance periodically, and future interest is then calculated on the larger balance. When interest compounds more than once a year, each addition starts earning its own interest, which nudges the effective annual figure above the simple rate. That effective figure is the APY.
If interest compounds only once per year, there is nothing extra to capture, so APR and APY come out effectively the same. The more often compounding happens, the bigger the difference.
How does compounding frequency change APY?
For a fixed nominal rate, more frequent compounding produces a higher APY. The effect is real but often modest at typical rates.
| Compounding frequency | Effect on APY for the same nominal rate |
|---|---|
| Once a year | APY equals the nominal rate |
| Quarterly | Slightly higher |
| Monthly | A little higher still |
| Daily | Marginally the highest |
Which one applies to loans versus savings?
As a rough guide, borrowing costs are frequently expressed as APR, while what you earn on deposits is frequently expressed as APY. This is not a strict law, but it reflects common practice.
- Loans and credit cards: APR is common and sometimes includes fees, giving a fuller borrowing cost.
- Savings, CDs, money market accounts: APY is common because it captures compounding on what you earn.
Knowing which figure is being quoted prevents you from comparing a compounding-inclusive number against one that excludes it.
Does APR include fees?
For many loans, APR is intended to include certain required fees alongside interest, which is why it can be higher than the plain interest rate. This makes it a broader measure of borrowing cost. However, exactly which fees are included depends on the product and the rules in your country, so the disclosure document is the place to confirm what is counted.
How can you compare offers without being misled?
The safest habit is to compare the same measure across products. A few steps help.
- Identify whether each offer quotes APR or APY.
- Compare APR to APR for loans, and APY to APY for savings.
- Check the compounding frequency behind any APY.
- Note which fees an APR includes.
- Read the fine print for conditions that affect the real rate.
Because terms and definitions vary and change, and because the best choice depends on your circumstances, consider consulting a qualified financial professional for decisions that matter.
Can you walk through a simple example?
Picture a savings account that advertises a certain nominal rate. If that rate were applied just once at the end of the year, the APR and the APY would match. Now suppose the same rate is instead split up and applied monthly, with each month’s interest added to the balance. Each subsequent month calculates interest on a slightly larger amount, so by year-end you have earned a little more than the plain rate suggested. That slightly larger effective figure is the APY.
The lesson is that two accounts can quote the same headline rate yet deliver different real results if they compound differently. When you see only a nominal rate, the APY tells you what you would actually end up with, and the APR tells you the simpler annual figure.
What mistakes do people make comparing rates?
Because the two measures look so similar, a few errors are common. Avoiding them keeps your comparisons honest.
- Mixing measures: Comparing one product’s APR against another’s APY is not a fair comparison.
- Ignoring fees: A low APY on savings can be undercut by account fees, and a loan’s true cost may sit in its APR.
- Overlooking compounding frequency: Two APYs can hide different compounding schedules behind the same nominal rate.
- Trusting the headline number alone: Promotional rates may be temporary or come with conditions.
Reading the disclosure and converting everything to the same measure before deciding is the most reliable way to compare. Definitions vary by country and change over time, so confirm the specifics for your situation.
Why does knowing the difference actually help you?
Understanding APR and APY is not an academic exercise; it changes the decisions you make. On the borrowing side, focusing on APR helps you see the fuller cost of a loan rather than being drawn in by a low headline interest rate. On the saving side, focusing on APY helps you judge what you will really earn once compounding is included, rather than assuming the nominal rate tells the whole story.
The single most useful habit is to ask which figure you are looking at and to compare like with like. When an advertisement shows a large, appealing number, checking whether it is an APR or an APY, and what it includes, keeps you from being misled. Because definitions and disclosure rules vary by country and change over time, confirming the specifics for your own products is always worthwhile.
Frequently asked questions
What is the main difference between APR and APY?
APR is a yearly rate that generally does not account for compounding within the year, while APY does account for compounding. As a result, APY reflects the real amount you earn or pay over a year more accurately when interest compounds more than once annually.
Is APR or APY better for me?
Neither is universally better; it depends on which side you are on. For borrowing, a lower APR generally means lower cost. For saving, a higher APY generally means more earnings. The key is to compare like with like across offers.
Why do lenders quote APR but banks quote APY?
Lenders often quote APR because it presents a standardized borrowing cost, sometimes including certain fees. Savings providers often quote APY because compounding makes the number look complete and comparable for what you earn. Knowing which is quoted helps you compare fairly.
Does APR include fees?
For many loans, APR is designed to include certain required fees along with interest, giving a broader picture of borrowing cost than the interest rate alone. However, exactly which fees are included can vary by product and jurisdiction. Read the disclosure to see what is covered.
How does compounding affect APY?
The more frequently interest compounds, the higher the APY for a given nominal rate, because interest starts earning interest sooner. This is why APY can exceed the stated simple rate. The difference is larger at higher rates and more frequent compounding.
Can APR and APY ever be equal?
Yes. If interest compounds only once per year, APR and APY are effectively the same. The gap between them appears and grows only when compounding happens more than once a year.
How can I compare offers fairly?
Compare the same measure across products, either APR to APR or APY to APY, and check what each figure includes. Look at fees, compounding frequency, and any conditions. Converting everything to a common basis prevents a misleading comparison.
