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FIRE calculator

FIRE calculator (Financial Independence, Retire Early)

Your goal
Your savings plan
Your FIRE number €600,000.00 24 years and 1 months

Current progress: 3.3% of your goal

Year 1: 311021Year 2: 42889Year 3: 55402Year 4: 68688Year 5: 827935Year 6: 97768Year 7: 113667Year 8: 130546Year 9: 1484669Year 10: 167491Year 11: 187690Year 12: 209135Year 13: 23190313Year 14: 256074Year 15: 281737Year 16: 308982Year 17: 33790817Year 18: 368618Year 19: 401222Year 20: 435837Year 21: 47258721Year 22: 511603Year 23: 553026Year 24: 597004Year 25: 64369525FIRE number

Your "FIRE number" is your annual expenses divided by the safe withdrawal rate (the 4% rule assumes you can withdraw that percentage a year without depleting the portfolio). The projection uses a constant return and doesn't account for inflation or taxes. Not financial advice.

This FIRE calculator works out your FIRE number and, based on your current portfolio, monthly contributions and expected return, how many years until you reach it.

Your number, and your path to it

Your FIRE number is fixed by your spending and withdrawal rate alone. Getting there is a separate question: it depends on how much you’ve already saved, how much you add each month, and the return your investments earn along the way — three levers you can each adjust to see how they move your timeline.

Example

With €24,000 in annual expenses, a 4% withdrawal rate, a €20,000 starting portfolio, €800 in monthly contributions and a 6% expected annual return, the FIRE number is €600,000 — reached in about 24 years and 1 month at this pace.

For guidance only, based on a constant assumed return — not financial advice.

FAQ

What is the FIRE number?
It's your annual expenses divided by your safe withdrawal rate (commonly 4%). It's the portfolio size that could theoretically fund your spending indefinitely, which is the target this calculator projects toward.
What does the safe withdrawal rate mean?
The percentage of your portfolio you could withdraw each year, adjusted for inflation, without running out of money over a long retirement. The 4% rule is a common starting point, though the right rate depends on your time horizon and risk tolerance.
Does the projection account for inflation or taxes?
No. It projects a constant expected return on top of your current portfolio and monthly contributions, without adjusting for inflation or subtracting taxes — both of which affect the real amount you'd actually have.