Free Compound Interest & Investment Calculator
Compound interest is the most powerful force in building wealth. Our investment calculator shows you exactly how your money can grow over time through the power of compounding. Enter your initial investment, monthly contributions, expected annual return, and investment period to see your projected future value.
The stacked bar chart visually separates your total contributions from the interest earned, making it easy to see how much of your wealth comes from your own savings versus investment growth. You can also adjust the compounding frequency to model different investment vehicles.
Investment Growth Over Time
How to Use This Calculator
Simply enter your financial details in the input fields on the left, then click the calculate button to see your results instantly. All calculations are performed in your browser — your data is never sent to any server, ensuring complete privacy.
Why This Tool Matters
Making informed financial decisions requires understanding the numbers. This calculator gives you the clarity you need to plan confidently, whether you're comparing options, setting goals, or evaluating the impact of different scenarios on your financial future.
Disclaimer: This calculator provides estimates for educational purposes only. Results may vary based on actual rates, terms, and individual circumstances. Consult a qualified financial advisor for personalized advice.