How to use
Enter the investment and resulting value or return. ROI does not automatically account for time, risk or inflation; compare equivalent periods.
When it is useful
Estimate return on investment as a percentage based on cost and outcome. Useful for personal, study and work tasks.
Data handling
The tool runs in your browser unless its function requires an external service. Avoid entering confidential information on shared devices. Privacy Policy.
Check the result
Verify the output and source data before using it in important documents or calculations.
Frequently asked questions
Do I need an account?
No. You can open the tool without creating an account.