Money · Free Interactive Tool
FIRE Number Calculator
The nest egg that buys your freedom.
Your Numbers
The Result
The Operator's Read
At this spending, freedom costs about $1,500,000 invested — roughly 25x your annual expenses. Cutting expenses lowers the target twice: less to cover, less to save.
Built by The Crimson Bench · Educational tool, not financial advice
About the FIRE Number Calculator
Enter your annual expenses and a safe withdrawal rate to see the portfolio size at which work becomes optional.
How the FIRE Number Calculator Works
2 inputs in, 2 results out — computed live on your device. Here's exactly what it uses.
| Input | Example value |
|---|---|
| Annual expenses | $60,000 |
| Safe withdrawal rate | 4% |
Worked Example
Using the example inputs above, the tool returns:
FIRE number
$1,500,000
Multiple of expenses
25.0x
The Operator's Read
At this spending, freedom costs about $1,500,000 invested — roughly 25x your annual expenses. Cutting expenses lowers the target twice: less to cover, less to save.
Assumptions & Limitations
- •This is a single-point calculator — it answers one question at a time. For a full time-based projection, use the matching Toolkit Pro simulator.
- •Defaults are illustrative. Replace them with your real numbers before relying on the result.
- •Educational tool only — not financial, investment, tax, or legal advice.
Frequently Asked Questions
What does the FIRE Number Calculator calculate?
Enter your annual expenses and a safe withdrawal rate to see the portfolio size at which work becomes optional. It takes 2 inputs — Annual expenses, Safe withdrawal rate — and returns FIRE number, Multiple of expenses.
How do I use the FIRE Number Calculator?
Enter your figures in the fields above and the result updates instantly. No signup, no limits, and nothing leaves your browser — the math runs on your device.
Is the FIRE Number Calculator free?
Yes, completely free. For the full time-based simulation — projection tables, scenarios, Excel/PDF export, and AI analysis — see the matching Toolkit Pro simulator.
Who built this tool?
The Crimson Bench's Ivy League-educated operators — the same people we deploy into C-suites. It uses the exact method they'd apply in an engagement.
Is this financial advice?
No. The FIRE Number Calculator is an educational tool for directional planning — not financial, investment, tax, or legal advice.
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The Crimson Bench · Est. 2002 · Founded in New York City
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