ROI Calculator
About the ROI Calculator
Return on Investment (ROI) is the percentage gain or loss on an investment relative to what you put in. It is a simple, universal way to measure how well any investment, project or purchase has performed.
Enter the initial amount and the current (or final) value, and the calculator returns the ROI as a percentage.
Frequently asked questions
How is ROI calculated?
ROI % = ((Current value − Initial value) ÷ Initial value) × 100. If you invested ₹1,00,000 and it is now worth ₹1,30,000, the ROI is 30%.
What is the difference between ROI and CAGR?
ROI is the total return over the whole period, ignoring time. CAGR converts that into a per-year rate. A 30% ROI over 1 year is excellent; over 10 years it is modest — CAGR makes that clear.
Can ROI be negative?
Yes. If the current value is less than what you invested, ROI is negative, showing a loss. A drop from ₹1,00,000 to ₹80,000 is an ROI of −20%.
Does ROI account for time?
No — that is its main limitation. Two investments with the same ROI can be very different if one took a year and the other took ten. Use CAGR or XIRR when timing matters.
Should I include costs in ROI?
For a true picture, yes — subtract fees, taxes and other costs from your gain so the ROI reflects what you actually kept, not just the headline change in value.
Disclaimer: This calculator is for information and education only. It is not investment advice and not a recommendation, and it is not business or accounting advice. The figures follow from the prices, costs, rates and volumes you entered, and actual results vary. Every figure is computed solely by applying the formula and assumptions stated on this page to the inputs you entered.