ROI Calculator — Return on Investment (%)
Enter your numbers and click Calculate. This tool is manual — it will not auto-update.
Initial Investment
Final Value
Additional Costs
Net Profit
ROI (simple)
Annualized ROI (CAGR)
Payback Period (years)
Notes: ROI % = (Net Profit / Initial Investment) × 100. Net Profit = Final Value − Initial Investment − Additional Costs. Annualized ROI (CAGR) approximates yearly growth: ((Final Value − Costs)/InitialInvestment)^(1/years) − 1. If years = 0 or negative, annualized ROI is shown as N/A.