ROI Calculator
Calculate net gain, ROI and an annualized return from investment cost, ending value and income.
✓ No signup✓ Mobile friendly✓ Clear limitations✓ Browser-first where practical
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Why use this roi calculator?
Use this free roi calculator directly in your browser. There is no account to create and the result appears immediately.
How to use it
Start with the inputs shown above, review any options or assumptions, then generate the result. Where the tool creates a file, keep the original until you have opened and checked the downloaded output.
Frequently asked questions
Is this tool free?
Yes. The core tool is free to use.
Do I need an account?
No. You can use it without signing up.
Does it work on mobile?
Yes. Toolbox is designed for modern mobile and desktop browsers.