ROI Calculator
FreeCalculate Return on Investment for any project or marketing campaign
About ROI Calculator
Whether a project or campaign was worth the money comes down to its return on investment. An ROI calculator makes that clear: enter what you spent and what you gained, and it shows the return as a percentage so you can judge performance at a glance.
The tool computes ROI instantly in your browser, free and with no signup. It is useful for evaluating marketing campaigns, business projects, and investments, letting you compare options on equal footing. Knowing the percentage return helps you decide where to put money next and which efforts are paying off. Quick and straightforward, it turns spending and results into a single meaningful figure that supports smarter, data-backed decisions.
Common uses
- Measuring the return on a marketing campaign
- Evaluating whether a project was financially worthwhile
- Comparing the ROI of different investments or initiatives
- Justifying spending with a clear percentage return
- Deciding where to allocate budget for the best return
How to use
- 1
Configure options
Set your preferences using the options panel below.
- 2
Click Generate
Click the process button to generate your result instantly.
- 3
Copy or download
Copy the result to clipboard or download it directly to your device.
Why ToolHub?
- 100% Free — no account needed
- Works in your browser — no software required
- Instant results
- Secure and private
- No data stored
- Simple to use
FAQ
What is ROI?
ROI, or return on investment, expresses the gain from an investment relative to its cost, usually as a percentage.
What do I enter to calculate it?
You provide the amount invested and the return or gain, and the tool calculates the ROI percentage.
Can I compare several investments?
Yes. Calculate ROI for each one and compare the percentages to see which performed best.
Can I use ROI Calculator on mobile?
Yes — ToolHub is fully responsive and works on iPhone, Android, tablets and all modern browsers. No app install needed.