Personal Finance • FIRE Movement

Financial Independence Retire Early (FIRE) Calculator

Determines your exact target portfolio value needed to sustain lifelong retirement using the Trinity Study 4% rule.

100% Free Online Real-Time Calculations Client-Side Privacy Guaranteed

Financial Independence Retire Early (FIRE) Calculator

Interactive Calculation Console

How This Calculator Works

Calculates portfolio size required to live indefinitely off investment yields without ever depleting principal.

FIRE Target Formula

FIRE Number = Annual Living Expenses × 25 (based on 4% Safe Withdrawal Rate)

Frequently Asked Questions

What is the 4% rule?
The Trinity Study established that withdrawing 4% of a diversified portfolio in year one, adjusted for inflation thereafter, has a 95%+ success rate over 30 years.

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