ROI Calculator

Calculate Return on Investment.

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ROI Calculator
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ROI
Net Profit / Loss
Annualized Return
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An ROI calculator measures how much profit or loss you made relative to the original investment. It is a quick way to evaluate business spends, marketing campaigns, assets, and personal investments. For deeper decisions across time periods, pair ROI with CAGR or IRR metrics.

Understanding ROI

ROI gives a simple percentage return by comparing net gain to investment cost. It is easy to interpret, which makes it useful for first-level comparisons. However, ROI alone does not account for time, risk, or cash-flow timing.

ROI formula

ROI (%) = (Net Profit / Investment Cost) x 100, where Net Profit = Final Value - Investment Cost.

Where ROI is helpful

  • Evaluating ad campaign performance.
  • Comparing project profitability in small businesses.
  • Assessing flip investments such as real estate improvements.
  • Quick screening before deeper financial analysis.

How to use this ROI calculator

  1. Enter total investment cost.
  2. Enter final value or total returns received.
  3. Review net profit and ROI percentage.
  4. Compare with required or benchmark return.
  5. Use time-based metrics if horizon differs across options.

Worked example

You invest Rs 2,50,000 in a project and receive Rs 3,25,000 after completion. Net profit is Rs 75,000. ROI = (75000/250000) x 100 = 30%.

Frequently Asked Questions

Not always. You must also consider time period, risk, liquidity, taxes, and probability of achieving the projected return.

It can be used for a quick snapshot, but CAGR and XIRR are typically better for fair comparisons across periods and cash flows.

Negative ROI means the final value is below the initial cost, indicating a loss on investment.

For accurate analysis, use net values after accounting for fees, transaction costs, taxes, and maintenance expenses.