ROI Calculator
ROI % = (Gain − Cost) ÷ Cost × 100(25000 − 20000) ÷ 20000 × 100 = 25%
Free online tool
ROI Calculator
Measure how profitable an investment is by comparing the gain with the initial cost.
Instant calculation
Calculate Return on Investment
Enter your gain and cost to find your ROI.
Your result
Calculation
Your numbers stay in this browser. Nothing is uploaded or saved.
Three clear steps
How to use this calculator
- 01
Enter the net gain
Type the total amount received from the investment.
- 02
Enter the cost
Type the initial amount invested.
- 03
See your ROI
Calculate to see your return on investment as a percentage.
The formula
How this calculation works
Subtract the cost from the gain to find profit, then divide by the cost and multiply by 100.
Check the method
Worked examples
Each example follows the same formula used by the calculator.
What is the ROI on a $20,000 investment that returned $25,000?
(25000 − 20000) ÷ 20000 × 100 = 25%25% ROICommon questions
Questions about this calculation
What is the ROI Calculator?
The ROI Calculator helps you calculate return on investment as a percentage from your gain and cost. Enter your values and select Calculate to get an instant result.
How is the result calculated?
Subtract the cost from the gain to find profit, then divide by the cost and multiply by 100.
Can you show an example?
Example: What is the ROI on a $20,000 investment that returned $25,000? — 25% ROI.
Is my data saved when I use the ROI Calculator?
No. All calculations run locally in your browser. Your inputs and results are never uploaded, stored or shared with anyone.
Is the ROI Calculator free to use?
Yes. The ROI Calculator is completely free. No account, sign-up or payment is required. It works on mobile, tablet and desktop.
Continue calculating