MOGU Tools

FIRE Calculator (Early Retirement)

Calculate how long until you reach financial independence and can retire early.

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Years Until FIRE
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FIRE Target Amount
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Annual Expenses
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Current Progress
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Savings Rate
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Asset Growth by Year
YearAnnual SavingsInvestment ReturnTotal Assets

What is FIRE?

FIRE (Financial Independence, Retire Early) is a movement aimed at achieving financial independence and retiring early. The core principle is simple:

The 4% Rule: Save 25 times your annual expenses. Withdrawing 4% per year will not deplete your assets.
Example: Monthly expenses $3,000 → Annual $36,000 → Target = $36,000 × 25 = $900,000

The higher your savings rate, the faster you reach FIRE. A 50% savings rate means roughly 17 years; 70% means roughly 8.5 years.

FIRE variations: Lean FIRE (minimal expenses), Fat FIRE (comfortable lifestyle), Barista FIRE (part-time work + investment income).

FIRE Calculator

FIRE (Early Retirement) Calculator. Enter your current assets, monthly savings, monthly expenses, and investment return rate to calculate how long until financial independence.

Frequently Asked Questions

Is this tool free?

Yes, 100% free. No signup required. All processing happens in your browser — no data is sent to any server.

Can I use it on mobile?

Yes, all tools are fully responsive and work on smartphones, tablets, and desktops.

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