ROI Calculator
Calculate return on investment as a percentage.
About ROI Calculator
Measure the return on an investment as a clear percentage and net figure. Return on investment compares the gain from an investment to its cost, and it is the standard way to judge whether spending, whether on marketing, equipment, or a project, actually paid off. Enter the amount invested and the amount returned to instantly see the net profit and the ROI percentage, so you can compare options on a level footing. Business owners and marketers use it to evaluate campaigns and decisions quickly. The math runs entirely in your browser with nothing collected or stored, and the tool is completely free to use with no signup.
How to use this tool
- 1Enter the amount invested and the final value.
- 2Optionally add the holding period in years.
- 3See net profit, ROI %, and annualized return.
Frequently asked questions
How is ROI calculated?
ROI = (final value - cost) / cost * 100. Doubling your money is a 100% ROI.
What is annualized ROI?
The equivalent yearly return over the holding period: (final/cost)^(1/years) - 1, useful for comparing investments of different lengths.