ROI Calculator
Calculate Return on Investment — net profit, ROI %, and payback period.
How to use this tool
1
Open ROI Calculator
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2
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3
Copy or download
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FAQ
What is the ROI formula?
ROI = (Net Profit ÷ Cost of Investment) × 100. Net Profit = Revenue − Cost.
What is a good ROI?
It depends on the industry and risk level. Stock market average is ~10%/year. Real estate averages 8–12%. A business investment should beat your cost of capital.