APY (Effective Annual Yield) Calculator
How do I calculate APY?
Result
How to use
- Enter your values in the fields above.
- Press Calculate to see your result instantly.
- Use the Share button to copy a link to your result.
About this calculator
This calculator converts a nominal annual interest rate into the effective annual yield (APY) by factoring in how often interest compounds during the year — daily, monthly or quarterly, for example — since compounding more frequently earns interest on interest sooner and produces a real return higher than the stated nominal rate.
It is used by savers comparing bank accounts or CDs that advertise the same nominal rate but compound on different schedules, since the account that compounds daily will actually pay out more than one compounding annually even with an identical stated rate — a difference that only becomes visible once you calculate the APY.
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