Apy Calculator
Calculate the Annual Percentage Yield (APY) for a given nominal interest rate and compounding frequency.
Published by:
isCalculator Editorial Team
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How to use this tool?
How to Use the APY Calculator
- Enter the Nominal Interest Rate – Type the annual interest rate (as a percentage, e.g., 5 for 5%). Only positive numbers are accepted.
- Select Compounding Frequency – Choose how often interest is compounded per year (e.g., Monthly, Daily). The default is Monthly (12 times/year).
- Click "Calculate APY" – The tool computes the Annual Percentage Yield (APY) using the formula: APY = (1 + r/n)^n – 1, where r is the rate in decimal form and n is the compounding periods.
- View the Result – The APY is displayed as a percentage (e.g., 5.1162%). A step-by-step breakdown of the calculation is shown below the result.
Tip: All inputs must be positive. If you see an error, check that the rate is a valid number greater than zero. The result updates only after clicking the button.
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Frequently Asked Questions
APY stands for Annual Percentage Yield. It represents the real rate of return on an investment, taking into account the effect of compounding interest.
APR (Annual Percentage Rate) does not account for compounding, while APY does. APY is typically higher than APR for the same nominal rate due to compounding.
The calculator supports annual, semiannual, quarterly, monthly, and daily compounding.
