Simple Interest Calculator to calculate interest earned or paid over time based on the principal amount, rate, and duration.
Simple Interest Calculator
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$0$500k$1M
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0%15%30%
11530
Standard is 365 days. Some bonds/loans use 360 days.
Results
Total Interest Earned
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Total Amount (P + I)
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Principal Amount
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Interest Payout
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Interest per Month
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Interest per Day
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Time in Years (Exact)
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Balance Composition
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Final Amount Composition
Principal
Interest Earned
Linear Growth Over Time
Total Amount (P + I)
Principal (Baseline)
Interest Earned
Simple Interest vs Compound Interest
Comparison to show how much more you would earn (or pay) if this were compounded annually instead of simple interest.
Simple Interest Total
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Compound Interest Total
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Extra Earned with Compounding
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Period-by-Period Breakdown
| Period | Interest Earned | Cum. Interest | Principal | Total Balance |
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