Coast FIRE Calculator
Calculate your Coast FIRE number and the age you can stop saving for retirement. See how existing investments grow to your target without new contributions.
Results
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FIRE Number
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Coast FIRE Number
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Coast FIRE Status
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Projected at Retirement
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Surplus / Deficit
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Years to Coast
Year-by-Year Projection
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Frequently Asked Questions
What is Coast FIRE?▾
Coast FIRE means you have saved enough that compound growth alone will carry your investments to your retirement target without any additional contributions. You only need to cover current expenses.
How is the Coast FIRE number calculated?▾
Your Coast FIRE number equals your retirement target divided by the expected growth factor between now and retirement. If your current investments exceed this number, you have reached Coast FIRE.
What investment return rate should I use?▾
A common assumption is 7% average annual return (inflation-adjusted) for a diversified stock portfolio. This calculator lets you adjust the rate to match your investment strategy and risk tolerance.
Is my financial data safe?▾
Yes. All calculations happen entirely in your browser. No data is ever sent to a server.