Business
ROI Calculator
Calculate return on investment from investment cost and final value or return.
- Free to use
- Runs in your browser
- Level B · Industry formula
- Last reviewed 2026-08-16
How to use this calculator
Enter the requested values and select Calculate. The result is computed locally in your browser using the formula shown on this page.
Understanding the result
This calculator reports the mathematical result without assigning unsupported ratings or professional judgments. Context may affect how the result should be interpreted.
Calculation method
ROI = (Final Value − Investment Cost) ÷ Investment Cost × 100.
Calculator guide
About the ROI Calculator
Return on investment compares net gain or loss with the amount invested.
What to keep in mind
- ROI does not inherently account for how long the investment was held.
- Cash flows, taxes, and risk may require more detailed analysis.
- Use consistent definitions of cost and return when comparing investments.
Formula & methodology
ROI = (Final Value − Investment Cost) ÷ Investment Cost × 100
Review standard: Level B · Industry formula. How calculator reviews work.CalculateMeasure performs the arithmetic locally in your browser. The displayed result depends on the values and units you enter.
Frequently asked questions
What does this calculator calculate?
Return on investment compares net gain or loss with the amount invested.
Can I use the result for an important decision?
Use the result as a calculation aid and verify the inputs, assumptions, and applicable professional or regulatory requirements before relying on it for an important decision.
Does CalculateMeasure store the values I enter?
This calculator performs its arithmetic in your browser. The calculator itself does not need to send your entered values to a server to produce the result.