Free ROI Calculator Online (Return on Investment)
Use this free ROI calculator to measure return on investment as a percentage. Fast, private, and works in your browser.
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What is ROI Calculator?
ROI Calculator measures the return on an investment as a percentage of its cost, and shows the net gain. It is useful for evaluating marketing spend, projects, and investments. Calculations run in your browser.
How to use this tool
- Enter the amount invested.
- Enter the amount returned (or final value).
- Read the ROI percentage and net gain.
Features
- ROI as a percentage
- Net gain or loss
- From amount invested and returned
- Instant results
- Runs entirely in your browser
This tool runs in your browser. Your files and text are not uploaded to our servers, and we do not store your input.
Frequently asked questions
How is ROI calculated?+
ROI % = (return − investment) ÷ investment × 100.
Can ROI be negative?+
Yes. A negative ROI means the investment lost money.
Is anything uploaded?+
No. The calculation happens in your browser.
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