ROI Calculator – Return on Investment

See your gain, ROI percentage and yearly (annualized) return.

How to use: Enter what you put in, what you got back and how many years.

How to use the ROI Calculator

Enter the total you invested, including fees.

Enter the final value or total you received back.

Add the time held to see the annualized ROI, which lets you compare investments of different lengths, such as a three-year fund against a one-year deposit.

Why use this roi calculator on ViralScopeHub? It is completely free, needs no account and works on phones, tablets and computers. All the work happens inside your own browser, so the details you type or the files you choose are never uploaded to a server, which keeps homework, business numbers and personal information private.

A tip for better results: change one input at a time and watch how the answer moves, which helps you understand the method instead of just copying a number. If something looks wrong, check units, spelling and decimal points first, then compare with the worked examples in the questions below. Bookmark the page so it is one tap away next time.

Frequently asked questions

What is the ROI formula?

ROI = (return − cost) ÷ cost × 100.

What is annualized ROI?

The steady yearly rate that would give the same result: (return ÷ cost)^(1/years) − 1.

Is this financial advice?

No, it is an educational calculator.

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