ROI Calculator
Works out total and annualised return on an investment.
ROI
— %
Share sends a link that reopens these numbers. Copy details pastes the full breakdown as a list.
Annualised ROI — %
Gain —
Reading this —
The formula
ROI = gain ÷ cost annualised = ((final + income) ÷ cost)^(1 ÷ years) − 1
Plain ROI ignores time, so annualise it when comparing investments held for different periods.
What to watch out for
Include fees in the cost for a true figure.
Frequently Asked Questions
How do I calculate ROI?
Gain divided by cost. 10,000 becoming 15,000 is 50%; over 3 years that is 14.47% annualised.