ROI CalculatorBy patoliyaarpit70@gmail.com / September 19, 2025 ROI & CAGR Calculator ROI & CAGR Calculator Initial Investment ($) Your starting capital. I prefer to enter Gain directly Final Value ($) The value of your investment after the period. Total Gain ($) The absolute profit or loss. I prefer to use Start and End Dates Investment Period (Years) The duration of the investment in years (e.g., 2.5 for two and a half years). Start Date The date the investment began. End Date The date the investment ended. Calculate Reset Copy Result Download CSV Enter your values and click ‘Calculate’ to see the results.