ROI Calculator — Return on Investment

The ROI Calculator measures the return on an investment as a percentage of the initial cost. ROI is one of the most widely used financial metrics for evaluating the efficiency and profitability of an investment — whether it is a stock, real estate, business, or marketing campaign. A positive ROI means the investment made money; a negative ROI means it lost money.

Frequently Asked Questions

Return on Investment (ROI) measures how much profit or loss an investment generated relative to its cost. Formula: ROI = (Final Value - Initial Cost) / Initial Cost × 100.

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