Financial Independence Retire Early (FIRE) & 4% Rule Calculator
Calculate your target FIRE Number based on the Trinity Study 4% Safe Withdrawal Rate (SWR), explore Lean FIRE vs Fat FIRE tiers, and map your financial runway to total retirement freedom.
Calculator Inputs
Live Real-TimeTarget FIRE Number (Full Financial Independence)
Remaining Net Worth Gap
2,550,000 curr
FIRE Goal Completion Progress (%)
15%
Current Safe Monthly Passive Income
1,500 curr
Lean FIRE Target (75%)
2,250,000 curr
Fat FIRE Target (150%)
4,500,000 curr
FIRE Tiers vs Current Portfolio
Detailed Calculation Breakdown
Calculation Methodology
FIRE Number = Desired Annual Retirement Expenses * 25 (or Annual Expenses / 4% Safe Withdrawal Rate). Lean FIRE = 75% baseline; Fat FIRE = 150% baseline.
Important Legal & Educational Disclaimer
This wealth planning model calculates financial independence milestones based on historical portfolio withdrawal research.
This calculator is designed for educational and informational purposes only based on public statutory frameworks. The outputs do not constitute binding financial, tax, or legal advice. We assume no liability for decisions made based on these estimations. Always verify with the relevant official authorities or a certified professional advisor.
Frequently Asked Questions
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