ROI Calculator

Enter investment cost and ending value to calculate ROI percentage.

Investment cost

Ending value / return

25%ROI = (return − cost) ÷ cost × 100

Core borrowing, saving & investing workflows

Start with the broad calculator that matches the decision, then move to a specialist only when the loan structure, cash flow, tax treatment, debt strategy or savings goal genuinely changes.

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ROI is a simple period return

This calculator compares ending value with cost. It does not annualize the result or model cash-flow timing, taxes, inflation, risk or transaction fees.