Compound Interest Calculator

Calculate how your money will grow over time.
Investment Details
$
$
%
Yrs
Total Future Balance
$0.00
Starting Principal $0.00
Total Contributions $0.00
Total Interest Earned $0.00

How to Use the Compound Interest Calculator

Albert Einstein famously called compound interest the "eighth wonder of the world." Our Compound Interest Calculator helps you visualize the explosive growth of your investments over time. Whether you are investing in the stock market (S&P 500), real estate, or a high-yield savings account, this tool shows you exactly how much your money will make for you.

Step-by-Step Guide:

  • Initial Investment: Enter the amount of money you already have saved or are starting your investment account with.
  • Monthly Contribution: Enter the amount of money you plan to add to this investment every single month. Consistency is the secret to massive growth!
  • Estimated Interest Rate: Enter your expected annual return. (For example, the historical average return of the US stock market is roughly 8% to 10% per year).
  • Years to Grow: Enter how many years you plan to leave this money invested before you need to withdraw it.

Financial Disclaimer

This calculator is designed for educational and informational purposes only and does not constitute financial advice. The calculations assume a constant interest rate and assume that interest is compounded monthly. In reality, market investments (like stocks, index funds, and crypto) experience high volatility, and actual returns will fluctuate from year to year. Furthermore, this tool does not account for inflation, capital gains taxes, or specific investment fees. Always consult with a certified financial planner before making major investment decisions.

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