Investment Growth Calculator
Calculate the future value of an investment based on initial principal, annual contribution, interest rate, and investment period.
Published by:
isCalculator Editorial Team
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How to use this tool?
How to Use the Investment Growth Calculator
- Enter Initial Investment: Input the starting amount in dollars (e.g., $10,000). Must be 0 or more.
- Enter Annual Contribution: Input the amount you add each year (e.g., $5,000). Must be 0 or more.
- Enter Annual Interest Rate: Input the expected yearly return as a percentage (e.g., 7 for 7%). Must be 0 or more.
- Enter Investment Period: Input the number of years (e.g., 10). Must be at least 1.
- Click "Calculate": The future value of your investment is displayed in green. The formula used is shown below the result.
What the Output Means: The result is the total value of your investment after the specified years, including compounded growth on the initial amount and all contributions.
Note: All monetary values are in US dollars. The calculator assumes contributions are made at the end of each year.
Previous Results
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Frequently Asked Questions
The future value is calculated using the formula for compound interest with annual contributions: FV = P * (1 + r)^n + C * ((1 + r)^n - 1) / r, where P is the initial investment, C is the annual contribution, r is the annual interest rate (decimal), and n is the number of years.
Yes, the calculator uses USD as a placeholder. You can interpret the values in any currency as the calculation is purely mathematical.
Simply set the annual contribution to 0. The calculator will still compute the growth of the initial investment.
