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ROI Calculator

Use this free ROI calculator to calculate Return on Investment (ROI %), net profit, and return multiple from investment cost and return value.

ROI is one of the most common business metrics for evaluating whether an investment was worth it. You can use it to compare marketing campaigns, software subscriptions, equipment purchases, projects, or other business decisions.

If you also want to review pricing and profitability, see the Profit Margin Calculator, Break-Even Calculator, and Net Profit Calculator.

Enter Your Numbers

Enter your initial investment cost, such as ad spend, equipment cost, or project cost.
Enter the total value returned by the investment. Use the same currency for both fields.
ROI is useful, but always consider time, risk, and cash flow. A 30% ROI in one month is very different from a 30% ROI over three years.

Results

Net Profit
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ROI
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Return / Investment
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How to Use This ROI Calculator

Enter your investment cost in the first field and the total return value in the second field. Then click calculate to see your net profit, ROI percentage, and return multiple.

  1. Enter the total investment cost.
  2. Enter the total return value.
  3. Click Calculate.
  4. Review the net profit, ROI percentage, and return multiple.

This is useful for comparing which investments, campaigns, or projects generated the best return.

ROI Formula

Net Profit = Return Value − Investment Cost
ROI % = (Net Profit ÷ Investment Cost) × 100
Return Multiple = Return Value ÷ Investment Cost

ROI shows how efficiently an investment created profit relative to the money spent. It is simple, widely used, and useful for comparing different opportunities.

Example ROI Calculation

Imagine you invest $5,000 in a campaign and generate $8,000 in return.

  • Investment Cost: $5,000
  • Return Value: $8,000
  • Net Profit: $3,000
  • ROI: 60%
  • Return Multiple: 1.60×

This means the investment generated $3,000 in profit and returned 1.6 times the original amount invested.

What Is ROI?

ROI stands for Return on Investment. It measures how much profit an investment generated relative to its cost. Businesses use ROI to compare projects, marketing channels, equipment purchases, software investments, and many other decisions.

ROI is popular because it is simple and easy to compare across options. However, it should not be the only number you use, because it does not automatically reflect timing, risk, or cash flow.

Why ROI Matters in a Small Business

  • It helps you compare marketing channels and campaigns.
  • It helps you evaluate equipment and software purchases.
  • It helps you prioritize projects with stronger expected returns.
  • It makes decision-making more measurable and less emotional.
  • It helps you track performance over time.

ROI vs Profit

Profit tells you how much money you made in absolute terms. ROI tells you how efficient the investment was relative to its cost.

For example, one project may produce more total profit, while another delivers a higher ROI because it required much less investment. Looking at both numbers gives a better picture of performance.

Tips for Using ROI Correctly

  • Always use the same currency and time frame when comparing investments.
  • Consider risk, cash flow, and payback time in addition to ROI.
  • Use ROI together with profit and break-even analysis for better decisions.
  • Be careful when comparing short-term and long-term investments directly.
  • Track actual results over time instead of relying only on estimates.

Related Calculators and Guides

Frequently Asked Questions

How do you calculate ROI?

ROI is calculated as (Return Value − Investment Cost) ÷ Investment Cost × 100.

What is a good ROI?

A good ROI depends on your industry, risk, time period, and other available opportunities. Higher ROI is generally better, but it should always be viewed in context.

Can ROI be negative?

Yes. If your return value is lower than your investment cost, your ROI will be negative, which means the investment lost money.

What does ROI tell you?

ROI tells you how efficiently an investment produced profit compared to the amount you invested.

Can I use ROI for marketing campaigns?

Yes. ROI is often used to measure the performance of ads, SEO, email campaigns, software tools, and other business investments.