APR to APY Calculator

Convert nominal APR to effective APY — see the true annual rate with compounding.

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APR → APY Conversion

Enter the nominal rate and compounding frequency.

Effective APY
0%
APR: 0%
Effective rate
0%
Difference
0%
Interest on $10,000
$0
Extra earnings vs simple
$0

Worked example

With the default inputs shown below, this calculator returns the following results:

InputValue
Nominal APR (%)6%
Compounding frequencyMonthly
ResultValue
Effective APY6.1678%
Effective rate6.1678%
Difference+0.1678%
Interest on $10,000$616.78
Extra earnings vs simple+$16.78

Values shown are produced by this page in your browser; change any input to update them.

How to use the APR → APY Conversion

  1. Nominal APR (%) — default 6%
  2. Compounding frequency — default Monthly
  3. Press Calculate to update the results instantly.

Frequently asked questions

Sources & references