Investment Return Calculator
Result
Investment Return Calculator Investment Return is a fast, free finance calculator. Enter Initial Investment, Monthly Contribution and Annual Return to get an instant, accurate result — complete with the formula, a step-by-step worked example, and answers — free online calculator.
Formula
- Investment growth calculator. This page documents the calculation model and provides an educational worked example.
- The main inputs are Initial investment, Annual return, Years, Additional annual contribution. Enter them in the units and format shown in the calculator.
- Use monetary amounts, rates and time periods exactly as labeled; the result reflects the assumptions entered on this page.
- Changing any input above recalculates the result with the same calculation engine used by this page.
Example: Investment Return
- Initial investment: 10000
- Annual return: 7 %
- Years: 10
- Additional annual contribution: 0
An initial 10,000 growing at 5% annually for 10 years becomes about 16,288.95 before adding any periodic contributions.
Sample result: Calculating…
Frequently asked questions
What does the Investment Return calculate?
Periodic-contribution timing changes the exact future value; expected returns are assumptions, not guarantees.
Which values should I enter?
Enter Initial investment, Annual return, Years, Additional annual contribution using the units and format shown beside each field.
What formula does this calculator use?
The calculator uses the following relationship: FV = Initial investment × (1+r)^n + contribution growth according to the calculator payment convention.
Why might my result differ from another source?
Results can differ when another source uses different units, rounding rules, conventions or assumptions. Compare the inputs and definitions before comparing results.
Does the result update automatically?
Yes. Changing an input updates the result using the same calculation engine shown on this page.