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ROI Calculator

Calculate return on investment and the annualised rate.

To calculate return on investment, enter what you put in, what it is worth now and how long you held it. Total ROI shows the overall percentage gain, while the annualised CAGR accounts for compounding and is the figure to use when comparing investments of different lengths.

Runs in your browser
Privacy
Runs entirely in your browser — nothing is uploaded
Cost
Free, unlimited, no sign-up

Frequently asked questions

Why is CAGR lower than total ROI divided by years?

Because compounding means later gains build on earlier ones. A 50% return over three years is 14.5% CAGR, not 16.7% — dividing by the number of years ignores that the base grows each year.

How to use the roi calculator

  1. 1Set the amount invested.
  2. 2Set the final value.
  3. 3Set the holding period.
  4. 4The result appears immediately — copy or download it.

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Put the working roi calculator on your own site. It runs in your visitors' browsers exactly as it does here — free, no account, nothing uploaded.

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