ROI Calculator (Return on Investment)
ROI calculator: return on investment as a percentage from the amount invested and final value, plus net profit.
ROI = Vfinal − CC
How to use this calculator
- Choose the quantity you want under “Solve for”.
- Type the known values and pick their units: any combination works.
- The result updates as you type. Open “Show the steps” to see the substitution.
Return on investment compares what you gained with what you put in: ROI = (final value − cost) ÷ cost.
ROI ignores how long the money was invested. To compare investments held for different periods, use the CAGR calculator.
Results are estimates for information only and do not constitute financial advice. Your lender’s or bank’s figures may differ.
Formula
ROI = Vfinal − CC
| Symbol | Quantity | Units |
|---|---|---|
| C | Amount invested | $, €, £ |
| Vfinal | Final value | $, €, £ |
| ROI | Return on investment | %, × |
Worked example
Given: C = 2,000.00 $ · Vfinal = 2,600.00 $
ROI = V − CC
Result: ROI = 30 %
Frequently asked questions
What is the ROI of investing $2,000 that becomes $2,600?
(2,600 − 2,000) ÷ 2,000 = 30 %.
What is a good ROI?
It depends on risk and time. Broad stock indexes have historically returned roughly 7–10 % a year before inflation.