Years to Become a Millionaire

You can use this calculator to calculate the number of years it will take for an initial investment along with monthly contributions to accumulate to $1 million.

To open this calculator, click Calculators in the toolbar, and then click Other Investment > Years to Become a Millionaire in the left panel.

You can export the data as a PDF file or clear all data that you entered. For more information, see Financial calculators.

Example

How long will it take for $100,000 savings and $100 investment per month to become $1 million dollars?

Field Input
Initial investment $100,000
Each monthly investment $100
Annual rate of return 10%
Years desired to become a millionaire 20

In this example, it will take 22.1 years for the savings and investment to become $1 million dollars. To accumulate $1 million dollars in 20 years, change the investment as follows.

  • Increase the initial investment to $126,099.05,
  • increase the monthly investment to $351.86, or
  • achieve an annual rate of return of 11.10%.

Note: This calculator compounds the earnings on investments monthly.

Internal notes


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