Interest Calculator

Calculate simple interest, compound interest, and continuous compounding for savings or loans worldwide

Interest Details

$
$

Add regular monthly deposits to your principal

Total Amount

$0.00

Principal + Interest

Total Interest Earned

$0.00

Profit from investment

Effective Annual Rate

0.00%

Initial Principal

$0.00

Growth Breakdown

Year Starting Balance Interest Earned Contributions Ending Balance
Enter values and click Calculate
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Simple Interest

Interest calculated only on the principal amount. Formula: I = P × r × t

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Compound Interest

Interest on interest. Formula: A = P(1 + r/n)^(nt)

Continuous Compounding

Interest compounds continuously. Formula: A = P × e^(rt)