Compound Interest Calculator

See how daily compounding grows your money over time.

Starting Balance ($)

Monthly Contribution ($)

Annual Interest Rate (%)

Time (Years)

Future Balance

Total Contributions

Total Interest Earned

This calculator uses daily compounding (365 days/year). The formula is: A = P × (1 + r/n)^nt + PMT × ((1 + r/n)^nt − 1) / (r/n). Results are estimates and not financial advice. Past performance does not guarantee future returns.