Compound Interest Calculator

Calculate investment growth with compound interest over time.

Initial Investment ($)

Monthly Contribution ($)

Annual Interest Rate (%)

Time Period (years)

Compounding Frequency

Future Value

Total Contributed

Interest Earned

Contributions vs Interest

🔵 Contributions (50%) 🟢 Interest (50%)

About Compound Interest

Compound interest is interest calculated on both the initial principal and the accumulated interest. It's one of the most powerful concepts in finance, often called the "eighth wonder of the world." The more frequently interest compounds, the faster your money grows.