Compound Interest Calculator

Calculate the power of compound interest and see how your money grows over time

Enter your investment details

Initial Principal ($)

Annual Interest Rate (%)

Time Period (Years)

Compounding Frequency

Monthly Contribution ($) - Optional

Compound interest allows your money to grow exponentially as you earn interest on both principal and accumulated interest.

More frequent compounding (daily vs. annually) can significantly increase your returns over time.

Adding regular monthly contributions can dramatically boost your long-term investment growth.

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