What Is an Investment Return Calculator?
An investment return calculator projects the future value of your investments by combining an initial lump sum with regular monthly contributions, compounded at an assumed average annual return. It helps investors visualize the power of consistent investing over time.
How to Use This Investment Return Calculator
- Enter your initial investment amount.
- Enter an annual return rate (shown in the UI for reference; the calculation uses an 8% average annual return).
- Enter the number of years you plan to invest.
- Enter a monthly addition amount (the amount you plan to add each month).
- Click “Calculate” to see the projected future value, total amount invested, and total investment returns.
Key Concepts
The future value combines two components: the growth of the initial investment and the accumulated monthly contributions, both compounded monthly. The formula accounts for compound interest on both the lump sum and recurring deposits. Consistent monthly investing (dollar-cost averaging) helps smooth out market volatility over long periods. Even small monthly contributions can grow substantially over decades thanks to the compounding effect.
Frequently Asked Questions
What is the difference between total return and annualized return?
Total return shows the overall percentage gain or loss. Annualized return (CAGR) expresses performance as a yearly rate, making it easier to compare investments with different holding periods.
Should I consider dividends in my return calculation?
Yes. Total return should include both capital appreciation and any dividends or distributions received. Excluding income underestimates the true investment performance.
What is a good annual return?
Historically, the broad stock market has returned about 7–10% annualized before inflation. A “good” return depends on your risk tolerance, time horizon, and the asset class involved.