APY Calculator

APY expresses the effective annual yield after compounding. Enter the nominal annual rate and number of compounding periods. Formula: APY = (1 + r/n)^n − 1

Principal:

Interest Rate (%):

Compound Frequency:

Time Period (years):

Results:

APY:

Total Amount:

Estimate APY

APY expresses the effective annual yield after compounding. Enter the nominal annual rate and number of compounding periods.

Formula: APY = (1 + r/n)^n − 1

Percentages should be entered according to the calculator instructions, while money amounts should use the same currency throughout the calculation.

For a simple audit, calculate the result once by hand with rounded inputs and compare the direction and approximate size of the answer.

Frequently Asked Questions FAQ

What is the difference between APY and APR?

APY (Annual Percentage Yield) represents the total interest earned on an investment, including compounding, over a year. It gives a more accurate measure of the actual return. On the other hand, APR (Annual Percentage Rate) is the cost of borrowing or the interest rate charged on loans, credit cards, or mortgages. APR does not take compounding into account.

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