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FIRE Calculator Methodology & Assumptions | Escape the 9-5

Read the formulas, planning assumptions, limitations, sources, and educational disclaimer behind the Escape the 9-5 FIRE calculator.

Escape the 9-5 provides editable FIRE planning tools and source-led educational resources. Explore multiple assumptions and understand the limitations before making a financial decision.

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FIRE Calculator: Find Your Financial Independence Date

Estimate a financial independence timeline by entering your current savings, income, recurring investments, living expenses, and return assumptions. The calculator is an educational planning tool and does not provide personalized financial advice.

How the calculator works

Financial independence planning often begins by estimating annual spending and comparing it with a portfolio target. This site lets you explore how savings, recurring contributions, investment-return assumptions, inflation, healthcare costs, and other income may change a planning scenario.

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