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Compound Interest Calculator

Estimated Future Value
$0.00
Total Principal: $0.00
Total Interest: $0.00

How Compound Interest Works

Compound interest is the interest calculated on the initial principal, which also includes all of the accumulated interest from previous periods on a deposit or loan. It is often described as "interest on interest."

The secret to maximizing compound interest is Time. By starting early and making regular monthly contributions, your wealth can grow exponentially compared to simple interest. This calculator uses the formula for compound interest with monthly additions to provide a realistic forecast of your financial future.