Calculate return on investment
The ROI Calculator computes your return on investment from initial investment and final value. Compare investment opportunities and evaluate business decisions with clear percentage returns.
ROI is the universal metric for evaluating investments. Compare stocks, real estate, business ventures, and marketing campaigns to make smarter financial decisions.
Return on Investment — the percentage gain or loss relative to your initial investment.
ROI = ((Final Value - Initial Investment) / Initial Investment) × 100.
Yes, calculate ROI for different scenarios to compare returns.
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Calculate profit margin and markup
See what a savings pot or investment actually grows to — and how much of that is simple interest versus compounding.
Solve the three percentage questions people actually get stuck on: X% of Y, what percent X is of Y, and the change from X to Y.
Calculate your break-even point