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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Track your current wealth
Use the Net Worth Calculator to measure your starting point before planning FIRE.

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

Learn more about FIRE, Coast FIRE, FIRE numbers, savings rates and early retirement planning.

What Is FIRE? Coast FIRE Guide How to Calculate Your FIRE Number Lean FIRE vs Fat FIRE How Much to Retire Early Best Savings Rate for FIRE FIRE Calculator UK FIRE Calculator Canada