FIRE Number Calculator
Estimate how much you may need invested to reach financial independence, based on spending, returns, and contribution assumptions.
Estimated FIRE number
$1,750,000
Projected assets at retirement age
$1,851,331
Estimated surplus
$101,331
Extra monthly contribution needed (if gap)
$0
This calculator uses a simplified compound growth model and a static withdrawal rate. Real markets vary. Inflation-adjusted spending and tax impacts are not fully modeled. Use results for planning conversations, not as a target portfolio guarantee.