ROI Calculator

A Return on Investment (ROI) calculator measures the profitability of an investment relative to its cost. By entering your initial investment cost and final return amount, you can evaluate the efficiency of a stock trade, real estate purchase, or marketing campaign. It expresses the return as a clear, comparable percentage. Marketing managers frequently rely on this to evaluate the success of targeted ad campaigns against their initial spend. When calculating your return, a practical tip is to ensure you include all hidden costs—like software subscriptions or labor hours—in your investment figure, rather than just the direct ad budget. This guarantees your final percentage reflects true profitability rather than inflated, gross performance metrics.