Coast FIRE is the point where your current investments are expected to grow into a traditional retirement portfolio—without needing new contributions from this point forward. Instead of racing to save more, the goal becomes earning enough to cover today’s expenses (and benefits like health insurance) while compounding quietly does the long-term work. Done well, Coast FIRE can open up room for lower stress, fewer hours, or a career pivot—without abandoning retirement plans.
Coast FIRE means you have “enough invested already” that, assuming a reasonable long-term return, your portfolio is projected to reach your retirement target by a chosen age—even if you stop contributing.
It is not full retirement. Your paycheck still matters because it funds your current lifestyle and typically your insurance. Many people pursue Coast FIRE to reduce burnout, step away from high-pressure roles, go back to school, start a business, or shift to work that feels more sustainable.
The trade-off is real: pausing contributions makes your plan more sensitive to market returns and life surprises. Coast FIRE works best when paired with employability, flexibility in spending, and periodic check-ins.
Coast FIRE sits between the “accumulation” phase and true financial independence. You’re not withdrawing from your portfolio yet, but you may be done aggressively adding to it.
| Approach | Are you contributing? | Does the portfolio cover expenses now? | Typical goal |
|---|---|---|---|
| Coast FIRE | No (or minimal) | No | Let investments grow to a later retirement date while covering expenses with work |
| Barista FIRE | Optional | Partly | Use part-time work to bridge to full FI |
| Traditional FIRE | No | Yes | Financial independence now |
| Lean FIRE | No | Yes | FI on a smaller annual spending level |
| Fat FIRE | No | Yes | FI with a larger lifestyle budget |
Coast FIRE is ultimately a projection, so the inputs you choose drive the outcome. The most important levers are:
If you want a quick way to sanity-check growth over time, the SEC’s compound interest calculator is a helpful starting point for modeling different return assumptions.
Build a realistic retirement budget: housing, food, transportation, healthcare, taxes, travel, giving, and a buffer. Healthcare and taxes are often underestimated.
A common rule of thumb is: Portfolio target = annual spending ÷ withdrawal rate. For example, $60,000 per year at a 3.5% withdrawal rate implies about $1.71M (60,000 ÷ 0.035).
Use a conservative real return (after inflation). The basic math is: Future value = current investments × (1 + r)^N.
If your projected value meets or exceeds the target by your retirement age, you’ve reached Coast FIRE (at least on paper).
Run multiple scenarios (lower returns, higher spending, retiring earlier). Coast FIRE is safer when the “pessimistic” version still looks workable.
For a guided walkthrough with examples and checkpoints, consider Coast FIRE Explained: Your Ultimate Guide to Understanding and Calculating Coast FIRE.
If staying consistent with check-ins is the hard part, a simple tracking system can help. The Creative Hobby Progress Tracker Ideas ebook can be repurposed as a motivation-friendly template for annual reviews, habit tracking, and milestone planning.
Many people use a conservative real return range (after inflation) and run multiple scenarios rather than relying on one number. Modeling optimistic/base/pessimistic outcomes helps you see how sensitive Coast FIRE is to market performance and timing.
They can, by reducing the amount your portfolio needs to cover later in retirement, but it’s usually best to model it conservatively and with an appropriate claiming age. Running versions with and without Social Security can help you avoid overestimating how much support it will provide.
Yes, but you need a bridge plan for any years before penalty-free access, especially if you want to stop full-time work early. Taxable savings, Roth contribution basis, HSAs for qualified expenses, and aligning your retirement age target with account rules can make the timeline workable.
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