Finance calculator
Effective annual rate calculator
Enter the nominal annual percentage and how many times interest compounds per year.
Inputs
Enter valid numbers. Calculations run entirely in your browser.
e.g. 12 for monthly
Results
Effective annual rate (%)
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Example
Nominal 6% compounded monthly: EAR ≈ 6.17%.
Explanation
EAR = (1 + nominal/n)^n − 1, expressed here as a percent.
FAQ
Continuous compounding?
Use a large n as an approximation, or extend the formula with exp.