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ROI 计算器

计算投资回报率（ROI）

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此工具及本页说明目前仍为英文。功能完全相同：一切都在你的浏览器中运行。

Return on investment (ROI)

–Gain ÷ amount invested

Gain or loss

–

Yearly return (annualized)

–The same growth spread evenly over each year

Money multiple

–Amount returned ÷ amount invested

A 30% gain over 3 years is not 10% a year: the yearly return compounds, so it is about 9.1%.

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How to work out ROI

  1. Enter the amount invested, with fees and other costs.
  2. Enter the amount returned, or what it is worth now.
  3. Add the years held to see the yearly return.

ROI and yearly return

ROI is the gain divided by what you put in: 50,000 that became 68,000 is a gain of 18,000, an ROI of 36%.

ROI ignores time, so the calculator also gives the annualized return: the yearly rate that grows the investment to the same amount in the same time. 36% over 3 years is 10.8% a year, not 12%, because returns compound.

Good to know

  • Count every cost in the amount invested (fees, taxes paid, repairs for a property) for an honest ROI.
  • A loss shows as a negative ROI.
  • Use the CAGR Calculator to find the end value at a given yearly rate.

常见问题

Why is the yearly return lower than ROI divided by the years?

Because growth compounds: each year's gain also grows in the following years, so a smaller yearly rate is enough to reach the same total.

Is anything sent anywhere?

No. The calculation happens in your browser, and the amounts you enter never leave your device.