Financial independence

FIRE Calculator: Financial Independence, Retire Early

Estimate how much you need to become financially independent, when you could reach FIRE, and whether you are already on track for Coast FIRE.

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Your FIRE Plan

FIRE means Financial Independence, Retire Early. This calculator estimates the investment portfolio you may need to make work optional.
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Use the yearly spending you want in today's money.
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Used to frame your FIRE timeline and retirement horizon.
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Enter your numbers to see your FIRE number, timeline and Coast FIRE progress.

FIRE planning

What is a FIRE calculator?

A FIRE calculator estimates how much you need to become financially independent and how long it may take to reach that number. FIRE stands for Financial Independence, Retire Early.

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FIRE number

The portfolio size needed to support your annual spending using a withdrawal rate.

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Coast FIRE

The point where your current investments could grow enough for retirement without further contributions.

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Real returns

This calculator adjusts expected returns for inflation so the main numbers stay in today's money.

FIRE formula

FIRE Number = Annual Spending ÷ Withdrawal Rate

For example, if you plan to spend 50,000 per year and use a 4% withdrawal rate, your FIRE number is 1,250,000.

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Use the Net Worth Calculator to measure your starting point before planning FIRE.
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Frequently Asked Questions

What does FIRE mean?

FIRE means Financial Independence, Retire Early. It is the idea of building enough invested assets to make paid work optional.

Is the 4% rule guaranteed?

No. The 4% rule is a planning shortcut, not a guarantee. Returns, inflation, taxes and personal circumstances can change the outcome.

What is Coast FIRE?

Coast FIRE means your current investments may be enough to grow to your FIRE number by a later retirement age, even if you stop contributing.

FIRE Guides

Related FIRE guides.

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