ROI Calculator — Return on Investment

Free ROI calculator. Calculate return on investment, annualized ROI, and profit/loss from investment and return amounts — 100% client-side. 100% serverless.

🔒 100% Private
⚡ Completely Free
🌐 Runs in Browser
📦 Export Ready
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ROI Calculator — Return on Investment

Tool Workspace

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  1. Enter investment and return amounts.
  2. Set the period in months.
  3. Click Calculate.

ROI Calculator

Calculate ROI%, annualized ROI, and profit/loss. Color-coded results for profit (green) and loss (red).

Features

  • ROI percentage
  • Annualized ROI for time-adjusted comparison
  • Profit/Loss in dollars

Privacy

100% client-side.

Frequently Asked Questions

Is my data safe?

Yes. 100% client-side.

How is annualized ROI calculated?

Annualized ROI = ((Return/Investment)^(12/months) - 1) × 100%.

What if I had a loss?

Enter a return amount less than investment. The tool shows negative ROI in red.

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