Fire Calculator
FIRE Calculator
Model your path to financial independence with clean assumptions and clearer outputs.
Live Updates
FIRE Timing
Retirement Runway
Scenario Summary
Plan Status
Needs Review
Inputs
Decision-focused assumptionsProfile & Accumulation
You only enter the inputs that actually matter. The retirement multiple and withdrawal rate are derived in the results.
Retirement Spending
Years to Retirement
30
Retirement Window
60–90
4% Rule Multiple
25.0×
How to Read This
Quick interpretation
Enter your spending need and the tool calculates your 4% rule benchmark automatically. The implied withdrawal rate and spend multiple appear in Results so you can compare your real plan against the classic rule without extra knobs.
Results
Live scenario outputPortfolio at Retirement
$0
Balance before withdrawals begin
4% Rule Benchmark
$0
Annual spend × 25
Projected FIRE Age
--
First year portfolio hits benchmark
End of Plan Balance
$0
Balance after all withdrawals
Benchmark gap at retirement
--
Safe at chosen retirement age?
--
Portfolio survives full retirement?
--
Implied withdrawal rate
--
Implied spend multiple
--
Retirement start age
--