Investment ROI Calculator
ROI, net gain and annualized return on an investment.
Disclaimer: This tool is for general informational and estimation purposes only and is not professional financial, tax, accounting or legal advice. All figures are estimates — verify with a qualified professional before making decisions. Read the full disclaimer.
Need Investment ROI fast? Founders, analysts and investors use the Investment ROI Calculator to skip the spreadsheet and get a reliable answer in one step. It's 100% free, runs privately in your browser, and the result is ready to drop into a pitch, plan or report.
About Investment ROI Calculator
Need to work out Investment ROI fast? Investment ROI measures the net gain on an investment relative to its cost, plus the annualised return over the holding period. The Investment ROI Calculator uses the standard formula — ROI % = (Final Value − Initial Cost) ÷ Initial Cost × 100 — and updates the moment you type. For example, growing $10,000 to $15,000 is a 50% ROI. It's 100% free, private (your numbers never leave your device) and works on any device.
How to use Investment ROI Calculator
- 1Enter your initial investment, final value and holding period into the calculator.
- 2The Investment ROI is computed automatically using the formula ROI % = (Final Value − Initial Cost) ÷ Initial Cost × 100 — there's no button to press.
- 3Change any input to model a different scenario, then note or copy the result.
Why use Investment ROI Calculator?
- ✓Calculates Investment ROI instantly with the correct formula — no spreadsheet needed
- ✓100% free and unlimited, with no sign-up, login or paywall
- ✓Runs entirely in your browser, so the numbers you enter stay private
- ✓Updates live as you type — perfect for comparing scenarios
Frequently asked questions
How do you calculate Investment ROI?+
Investment ROI measures the net gain on an investment relative to its cost, plus the annualised return over the holding period. The formula is: ROI % = (Final Value − Initial Cost) ÷ Initial Cost × 100. For example, growing $10,000 to $15,000 is a 50% ROI.
What's the difference between ROI and annualised return?+
ROI is the total return over the whole period; annualised return spreads it into a per-year rate so you can compare investments of different lengths.
Is the Investment ROI Calculator free to use?+
Yes — it's completely free, with no sign-up, no login and no usage limits. You can run it as many times as you like.
Is my data private?+
Yes. The Investment ROI Calculator runs entirely in your browser, so the figures you enter are never uploaded or stored on any server.
Embed Investment ROI Calculator on your website
Want Investment ROI Calculatoron your own site? Paste this snippet into any HTML page — it's free, with no API key or sign-up. The tool loads in an iframe and keeps working exactly as it does here.
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