ROI Calculator
Work out your return on investment, profit and the average yearly return.
Return on investment
Profit or loss
Annualised return
The formulas
ROI = (final value - amount invested) / amount invested x 100. Annualised return = (final / invested)^(1 / years) - 1.
Example: 10,000 that grows to 14,000 over 3 years is a 40% ROI, or about 11.87% a year. Fees and tax are not included.
Frequently asked questions
What is a good ROI?
It depends on risk and time. Compare it with a safe savings rate and inflation.
Why use annualised return?
It lets you compare investments held for different lengths of time.
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Last updated October 2026. For information only, not financial advice.