ROI Calculator
Measure return on investment as net gain and percentage using your initial cost and final value.
How it works
- 1
Enter your values in the fields.
- 2
Results update automatically as you type.
- 3
Use Reset to clear and try another scenario.
Why use this calculator
- Net gain and ROI %
- Simple two-input form
- Useful for quick comparisons
- No signup
What ROI means
Return on investment compares net gain to the money you put in. FlyCalculator shows both the cash gain and the ROI percentage.
Limitations
This basic ROI does not annualize returns or include fees, taxes, or time. Use it for quick comparisons, not full portfolio analysis.
Frequently asked questions
Can ROI be negative?
Yes. If final value is below the initial investment, gain and ROI are negative.
Does it include time?
No. This is a simple ROI, not an annualized rate.
What counts as initial investment?
Usually the full amount you paid to start, including fees if you want them in the model.