Compound Interest Calculator
See how your investments grow over time with compound interest
Investment Parameters
Growth Projection
Your Results
Final Balance
$300,851
Total Contributions
$130,000
Interest Earned
$170,851
Your investment of $10,000 with $500 monthly contributions will grow to $300,851 over 20 years at 7% annual return.
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Understanding the Concept
Compound interest is the interest calculated on the initial principal and accumulated interest. It's one of the most powerful concepts in personal finance, allowing your money to grow exponentially over time.
Tips to Optimize
- •Start investing as early as possible to maximize compound growth
- •Increase contribution amounts whenever you get a raise
- •Reinvest dividends and interest to accelerate growth
- •Be patient - compound interest works best over long periods