What to enter
- Current invested balance and monthly contribution.
- Current age, target amount and expected annual return.
- An optional inflation assumption to show the target in today’s purchasing power.
How to use the estimate
- Run a low-return and high-return scenario rather than relying on one projection.
- Contribution rate is controllable; market return is not.
- Use the milestone table to choose a realistic next savings test, not to predict a guaranteed date.
What the calculator cannot know
- Markets do not produce smooth returns, and sequence risk can materially change the actual date.
- Taxes, fees, contribution limits, withdrawals and changes in income are not modeled.
- A future nominal million dollars may buy less; the inflation-adjusted target is only an illustration.
Method and source links
The interface patterns were informed by current calculator pages, while formulas and factual defaults were checked against the following primary or methodology sources.
Millionaire Calculator: When Will You Reach $1M? FAQ
What return should I use?
Use several scenarios and account for fees. Historical averages are not promises about future returns.
Does one million dollars make someone wealthy?
It depends on liabilities, location, spending, household size and whether the amount is liquid. The target is a milestone, not a universal definition.
Does the calculator include inflation?
Yes. A separate result raises the target with your inflation assumption so you can compare nominal and purchasing-power timelines.
What if the target is never reached?
The calculator stops after 100 years. A non-positive contribution combined with a low return may make the target unreachable in the modeled period.