APY Calculator
Find the annual percentage yield (APY) of an interest rate for its compounding, and what a deposit grows to.
Change the values and press Calculate to work out your own figures.
Enter the rate and compounding.
Show the working
- APY = (1 + r ÷ n)^n − 1
How to use it
Enter the rate and compounding.
Enter amounts without commas or with them; rates are percentages (5 for 5%). Negative amounts are allowed where a sign means money paid out.
Key facts
APY = (1 + r ÷ n)^n − 1
APY
Banks in the US must quote savings yields as APY (Regulation DD), so accounts with different compounding can be compared.
Questions
What is the APY of 5% compounded monthly?
5.1162%.
Formulas
APY = (1 + r ÷ n)^n − 1
Sources
Limitations
- Results are estimates for planning, not offers or financial advice; lenders and banks may round, count days or time payments differently.
- Rates are nominal annual rates compounded as you choose; payments at a different frequency use the equivalent periodic rate.