FIRE number calculator

Compute your Financial Independence / Retire Early target — Lean FIRE, regular FIRE, Fat FIRE — based on annual spending and safe withdrawal rate.

Years to FIRE

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  • FIRE number$1,250,000
  • Lean FIRE (spend × 25 ÷ 1.4)$892,857
  • Fat FIRE (spend × 25 × 1.5)$1,875,000