Finance
Retirement Number Calculator
Your FIRE number is annual expenses divided by your safe withdrawal rate (typically 4%).
FIRE number
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- Lean FIRE (3%)
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- Fat FIRE (5%)
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- Coast FIRE @ 35
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FAQ
Is 4% really safe? +
The Trinity Study found 4% sustained for 30 years in historical backtests. Modern researchers suggest 3.3-3.5% for safety margin.
What is Coast FIRE? +
Saving enough by a young age that compounding alone gets you to FIRE without further contributions.