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FIRE Calculator
Model your path to Financial Independence
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Target FIRE Number
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Projected Portfolio
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Years to FIRE
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Monthly Passive Income
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Portfolio growth vs. target
Projected net worth by age, in today's dollars.
Summary
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Everything You Need to Know About the FIRE Movement & Calculator
What is the FIRE Movement?
The FIRE movement stands for Financial Independence, Retire Early. It is a popular lifestyle and investment strategy designed to help individuals gain financial freedom decades before the traditional retirement age (60–65). By saving aggressively (often 50% to 70% of income) and investing in low-cost index funds, stocks, or real estate, practitioners aim to build a portfolio large enough to live off its investment returns indefinitely.
How to Use This FIRE Calculator
Our dynamic FIRE Calculator helps you project your exact timeline to financial freedom. Here is how to read and input your data:
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Current Net Worth & Savings: Input your total current investments and how much money you save every month.
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Retirement Living Expenses: Estimate how much money you will need per month once you stop working.
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Expected Return Rate & Inflation: Set reasonable return assumptions (typically 7–9% for stock investments) and adjust for annual inflation (2–3%).
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Safe Withdrawal Rate (SWR): The rule-of-thumb percentage you plan to withdraw annually from your portfolio during retirement.
Understanding the 4 FIRE Variations
Different people have different retirement goals. This calculator allows you to toggle between four distinct FIRE strategies:
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Standard FIRE: Reaching 100% of your projected annual expenses fund. You can maintain your current quality of life comfortably.
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Lean FIRE: A minimalist retirement approach requiring 75% of standard expenses. Best suited for those who plan to live frugally.
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Fat FIRE: A higher-budget retirement strategy (125%–150% of expenses) allowing for travel, luxury, and extra financial cushion.
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Coast FIRE: Reaching a point where your existing invested capital will compound enough to fund your retirement at age 65 without needing to contribute another penny.
What is the 4% Safe Withdrawal Rule?
The 4% Rule is a widely accepted benchmark in personal finance based on the famous Trinity Study. It states that if you withdraw 4% of your total invested portfolio in your first year of retirement (and adjust that dollar amount for inflation every year after), your money has a high probability of lasting 30 years or more without running out.
Formula:
$\text{Target FIRE Corpus} = \text{Annual Expenses} \times 25$
(Example: If you need $40,000 per year, your target FIRE portfolio is $40,000 \times 25 = \$1,000,000$.)
Frequently Asked Questions (FAQs)
Is FIRE achievable for average earners?
Yes. Achieving FIRE relies heavily on your savings rate rather than just your total income. Increasing your savings rate accelerates compound growth, significantly shortening your timeline to retirement.
What investment return rate should I assume?
Historically, global market index funds have returned between 7% and 10% annually before inflation. Using a conservative estimate of 7% to 8% provides a realistic projection.
Does this calculator adjust for inflation?
Yes, all dynamic projections and compound graph curves incorporate your input inflation rate to reflect today’s purchasing power.
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