ROI Calculator

Calculate return on investment from invested and returned amounts.

An ROI calculator measures the return on an investment: ROI = (returned − invested) / invested × 100.

How to Use the ROI Calculator

  1. Enter the investment. Type how much you invested.
  2. Enter the return. Type the total returned.
  3. Read the ROI. See net profit and ROI percentage.

This tool processes your input locally in your browser. Nothing is uploaded.

What Is ROI Calculator?

ROI (Return on Investment) measures the efficiency of an investment by comparing profit to the amount invested.

Formula

ROI = ((returned − invested) / invested) × 100. A positive ROI means you made a profit; a negative one means a loss.

Key Features

  • Net profit
  • ROI percentage
  • Instant results

Examples

  • Invest $1,000 and receive $1,500 → net $500, ROI 50%.

Common Use Cases

  • Marketing campaigns
  • Investments
  • Business decisions

Tips & Best Practices

  • Account for all costs to avoid overstating ROI.

Limitations

  • Simple ROI ignores time; use annualized ROI for comparisons across periods.

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Frequently Asked Questions

What is ROI?
Return on Investment: profit relative to the amount invested.
How is ROI calculated?
((returned − invested) / invested) × 100.
Is it free?
Yes, and it runs locally.

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