ROI Calculator
Return on investment as a percentage, plus annualized return.
yrs
Return on investment
+35%
Gain of $3,500.00
Net profit
$3,500.00
Total ROI
35%
Annualised
16.19%
ShowHide the working
- 1Profit = $13,500.00 − $10,000.00 = $3,500.00
- 2ROI = $3,500.00 ÷ $10,000.00 × 100 = 35%
- 3Annualised = (1.35)^(1/2) − 1 = 16.19%
Formula
ROI = (final − invested) ÷ invested × 100How it works
Measures the return on an investment as a percentage of what you put in. The annualised figure makes investments held for different lengths of time comparable.
Example
$10,000 growing to $13,500 over 2 years is a 35% total ROI, or 16.19% annualised.
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About the ROI Calculator
Return on investment as a percentage, plus annualized return. It sits in the Finance & Loans section of NWS Calc, a free collection of calculators that run entirely in your browser. There is no signup, no paywall and no tracking — open the page, enter your numbers, get an answer.
Frequently asked questions
- Is the ROI Calculator free to use?
- Yes. Every calculator on NWS Calc is completely free, with no signup, no usage limits and no ads.
- Does my data leave my device?
- No. The ROI Calculator runs entirely in your browser using JavaScript. Nothing you type is uploaded, logged or stored on a server.
- Can I use the ROI Calculator on my phone?
- Yes. The page is fully responsive and works in any modern mobile or desktop browser — there is nothing to install.
- What else is in Finance & Loans?
- Loans, mortgages, interest, savings and investment returns. You can browse the full Finance & Loans category for related calculators.