ROI Calculator
Calculate return on investment — gain, loss, and percentage return visualized
About this calculator
The ROI Calculator measures your return on any investment as a simple percentage. Whether you're evaluating stocks, real estate, a business venture, or a savings account, ROI gives you a common yardstick to compare investments of any size. Enter your initial cost and final value to instantly see your gain, loss, and return percentage.
Common examples
- Invested $1,000, now worth $1,200 → ROI 20%, profit $200
- Bought stock at $5,000, sold for $6,800 → ROI 36%, profit $1,800
- Real estate: paid $200,000, sold for $275,000 → ROI 37.5%, profit $75,000
- Business investment $50,000, return $45,000 → ROI −10%, loss $5,000
- Startup investment $10,000, exit value $85,000 → ROI 750%, profit $75,000