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ROI Percentage Calculator

ROI Calculator — Enter investment cost and return to instantly calculate ROI percentage, profit margin and annualized return rate, ideal for personal finance and business.

📊 Result Chart

About ROI Percentage Calculator

ROI Percentage Calculator is a free online tool. Quickly calculate ROI, profit margin and annualized return on investment Works on mobile and desktop, all calculations run locally in your browser for privacy.

ROI Percentage Calculator in 3 steps

  1. Enter the first parameter
  2. Enter the second parameter
  3. Click "Calculate" to see the result

Is this tool accurate?

Results are computed with standard, industry-accepted formulas for Investment Cost and Return Earnings calculations.

Do I need to download anything?

No, it runs entirely in your browser. No downloads needed.