Coast FIRE
See when your current balance may be large enough to grow on its own toward traditional retirement.
Projection outlook
Track the projected balance against the target line so you can see whether the current plan fully closes the gap.
The projection still falls short of the target by roughly $547,662 by year 25.
Scenario comparison
Use the spread between scenarios to see how sensitive this outcome is to the assumptions you change first.
Optimistic currently leads conservative by about $1,244,696, which shows the approximate range across the modeled cases.
What changes the result most
Base
Needs more runway
$1,202,338
Optimistic
Fully coastable
$1,975,767
Conservative
Needs more runway
$731,071
Accessibility summary: With no further contributions, your current balance could grow to $1,202,338 by age 60. Base: $1,202,338 (Needs more runway) | Optimistic: $1,975,767 (Fully coastable) | Conservative: $731,071 (Needs more runway)
Results
You may need about $547,662 more invested now to fully coast.
With no further contributions, your current balance could grow to $1,202,338 by age 60.
Projected coast balance
$1,202,338
Target portfolio
$1,750,000
Coast gap
$547,662
Years to retirement
25 years
How to use this output
Start with the main result at the top. Then review the key numbers, look at how the chart changes over time, and compare the Base, Optimistic, and Conservative scenarios before making a decision.
Saved scenarios
Save multiple scenarios to compare optimistic, conservative, and custom planning paths later.
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Model overview
Understand the model at a glance
What this model does
- Models your current plan in plain English.
- Highlights the most decision-useful outputs instead of overwhelming you with raw math.
- Shows base, optimistic, and conservative views to make tradeoffs clearer.
Key assumptions
- Returns are smoothed estimates and do not reflect real-world market volatility.
- All figures are in today's dollars unless the calculator is explicitly modeling inflation adjustments.
- This tool is intended for planning, education, and comparison rather than certainty.
Example scenario
Coast FIRE Calculator is most useful when you have a clear target lifestyle and want to see whether your current savings plan supports it.
How the math works
Open to review the formulas and planning logic behind this model.
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How the math works
Open to review the formulas and planning logic behind this model.
- WealthyNest uses reusable finance formulas for compounding, withdrawal targets, and cash-flow projections.
- Each tool pairs those formulas with calculator-specific assumptions and a concise summary.
Next steps
Insights and recommendations
Questions
FAQ
Are these outputs guarantees?
No. They are planning estimates based on your assumptions and should be updated as markets, taxes, and spending change.
Do these calculators replace professional advice?
No. They are a strong planning starting point, but tax, legal, and investment decisions should be reviewed with a qualified professional when appropriate.
How often should I revisit my inputs?
A good rule is to revisit assumptions after major income, spending, family, tax, or market changes and at least a few times per year.
Why do the optimistic and conservative scenarios matter?
They help you see how sensitive the result is to assumptions instead of anchoring on one exact output.
Should I include inflation separately?
Yes when the calculator allows it. Separating inflation from returns usually makes the planning logic easier to understand.
What if my real life differs from the model?
That is normal. Use the output as a planning range and update the scenario as new information arrives.
Which metric should I pay attention to first?
Start with the headline summary and the first two or three result cards. Those usually hold the most decision-useful information.
Can I share these results with someone else?
Yes. Major calculators support shareable URL state so you can copy the scenario link and send it directly.