Interest Rate Calculator
Principal ($)
Please enter a valid non-negative number.
Nominal Annual Rate (%)
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Compounding Frequency
Annually
Semi-Annually
Quarterly
Monthly
Daily
Time Period (Years)
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Calculate
Results
Effective Annual Rate (EAR):
%
Final Amount:
$
Total Interest Earned:
$
Formula:
A = P × (1 + r/n)^(n×t), where P=principal, r=nominal rate, n=compounding per year, t=years. EAR = (1 + r/n)^n - 1.