Effective interest rate calculator

Input Nominal annual interest rate (%), select Compounding period, then click the Calculate button to get the result.

Effective period interest rate calculation formula:

Effective Period Rate (%) = Nominal Annual Interest Rate (%) / N
N – number of periods per year.

Effective annual interest rate calculation formula:

Effective Rate (%) = (1 + Nominal Annual interest Rate (%) / N)N – 1
N – number of periods per year.

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