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Simple Interest Calculator
Simple Interest Calculator
Calculate simple interest on a principal amount over time.
Download PDF Report
The simple interest formula is I = P * r * t.
Input Values
Principal Amount
$
Principal Amount
Annual Interest Rate (%)
%
Annual Interest Rate (%)
Time Period
Time Period
Time Unit
Years
Months
Days
Time Unit
Years
Months
Days
Calculate
Solution Flow
Expression
Visualization
Calculation Result
Amortization Schedule (First 12 Months):
Month
Interest
Principal
Balance
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