Calculate Compound Interest

Calculate how your savings grow over time with compounding interest.

Initial Investment ($)

Annual Interest Rate (%)

Duration (years)

Compounding Frequency

Future Balance

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Total Interest Earned

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The Methodology

A = P(1 + r/n)^(nt)

This tool uses the verified professional formula shown above. We cite our sources so you can trust every result.

How it works

Compound interest is the interest on a loan or deposit calculated based on both the initial principal and the accumulated interest from previous periods. This tool allows you to see how different compounding frequencies (like daily vs. annually) affect your final balance.