Millionaire calculator guide
This calculator estimates when your portfolio may reach major wealth milestones using current balance, monthly investing, and a return assumption.
How to use it
- Enter your current invested assets.
- Add your planned monthly investment.
- Use a conservative return assumption.
- Set a custom target if $1 million is not your only goal.
Calculation method
Future balance = current balance compounded monthly + monthly investments compounded monthly
The calculator searches month by month until each target is reached.
Example scenario
Someone with $100,000 invested and $1,000 per month added at 7% annual return may reach $1 million much earlier than someone starting from zero.
How to use this calculator
- Enter realistic values that match your current situation.
- Press Calculate to refresh the estimate.
- Compare the main result with the supporting details in the result panel.
- Change one input at a time to see which variable affects the result most.
Planning note: Millionaire Calculator gives an educational estimate. It does not include every tax rule, fee, platform policy, market condition, or personal constraint, so use it as a quick planning reference rather than a final decision.
FAQ
Is this inflation adjusted?
No. Use a lower real return assumption if you want a purchasing-power estimate.
What if the result says already reached?
Your current balance is already equal to or above that target.
Why include $2M and $5M?
Many FIRE plans need more than $1M depending on lifestyle, spending, and withdrawal rate.