ROI Calculator

Use the free ROI Calculator to calculate return on investment (ROI) as a percentage. Enter your values below and get an instant, accurate result.

ROI Calculator

Free & Instant

The ROI Calculator helps you calculate return on investment (ROI) as a percentage. Simply fill in the fields above and click Calculate to get an instant result.

This calculator is part of Calculate Wiki’s Finance Calculators collection.

What You’ll Need

  • Final Value / Gain from Investment ($)
  • Cost of Investment ($)

Formula Used

ROI % = ((Gain − Cost) ÷ Cost) × 100

Example Calculation

Using example inputs — Final Value / Gain from Investment = 12000 $; Cost of Investment = 10000 $ — the ROI Calculator returns:

ValueResult
Net gain$2,000.00
ROI20%

20% ROI. Net gain: $2,000.00.

Helpful Information

Results from the ROI Calculator are estimates based on standard formulas used in the finance calculators field. For projects with significant cost, health, or safety implications, consider verifying results with a qualified professional.

Frequently Asked Questions

Is the ROI Calculator free to use?
Yes — the ROI Calculator on Calculate Wiki is completely free, with no sign-up required.
How accurate is the ROI Calculator?
The ROI Calculator uses a standard, well-documented formula from the finance calculators field. Results are for informational and planning purposes.
Can I use this on my phone?
Yes, this calculator is fully mobile-friendly and works on any modern browser.
What does the result mean?
For the example values shown above, the result is 20% ROI. Net gain: $2,000.00.

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