Use the ROI Calculator
Calculate a simple return on investment percentage.
- Free to use
- No signup
- Nothing to install
- Runs in your browser
Illustration. Open the tool for the real thing.
See it in action
The ROI Calculator with sample data entered and the result showing.
What is the ROI Calculator?
Calculate a simple return on investment percentage.
Fill in the fields and the page works out the result for you.
3 steps to your result
Open the tool and follow along. Nothing to install.
What you get
Investment Cost ($), Final Value ($)
Net Profit, Cost Basis.
Part of the Investment & Interest group of AZRS calculators.
AZRS tools are free to open and use.
It opens in your browser, so there is nothing to download.
Used for
Pick one to see how it fits.
How it compares
A plain look at this tool next to the usual alternative.
| This calculator | Desktop software | |
|---|---|---|
| Install | Nothing to install | Usually an app or program to install |
| Account | No signup | Depends on the product |
| Cost | Free to use | Free or paid, depends on the product |
| Where it runs | In your browser tab | On your computer |
Questions people ask
What does the ROI Calculator do?
Calculate a simple return on investment percentage.
Which formula does it use?
The page lists the formula as ROI = (Gain − Cost) ÷ Cost × 100.
Is the result financial advice?
No. It is an estimate to help you plan. Check important decisions with a qualified professional.
Do I need an account to use the ROI Calculator?
No. Open the page and enter your numbers.
How do I use the ROI Calculator?
1. Open the ROI Calculator. 2. Enter the values it asks for: Investment Cost ($), Final Value ($). 3. Read the result: Return on Investment and the figures listed under it.
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Calculate a simple return on investment percentage. Free to use.
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