How to use the ROI Calculator

Calculate return on investment and total cash recovered from a known initial cost and net profit.

Calculation formula

Return on investment (%) = net profit from investment ÷ invested cost × 100.

Recommended steps

1. Enter values using the units shown beside each field.
2. Review whether the example assumptions match your situation.
3. Run the calculator and compare the key metrics.
4. Use the source data or official rates when precision matters.

Known limitations

Profit must already be net of all investment-related costs; ROI is not annualized without a period.