Free FIRE Calculator Spreadsheet Template
Calculate financial independence targets based on annual expenses and savings rate. Project when investment income could cover living costs.
What's Included
- Dashboard with FIRE target number and projected timeline to financial independence based on current inputs
- Calculator with annual expenses, current savings, annual income, and savings rate input fields
- Investment growth projections showing year-by-year portfolio balance on the path to financial independence
- Safe withdrawal rate modeling using the 4% rule and customizable withdrawal percentages for planning
- Multiple FIRE number scenarios including lean, traditional, and fat FIRE targets with color-coded inputs
- Works in Microsoft Excel, Google Sheets, and LibreOffice Calc with no setup required
Preview
See what's inside this template
How to Use This FIRE Calculator Template
Enter annual expenses
Input your current annual living expenses. This figure drives the FIRE number calculation based on the withdrawal rate.
Add savings and income
Enter current savings balance, annual income, and your current savings rate. The template computes the gap to financial independence.
Review FIRE targets
The dashboard shows lean, traditional, and fat FIRE numbers based on your expenses and the selected withdrawal rate.
Check the timeline
Year-by-year projections estimate when your portfolio could reach the FIRE target at your current savings and investment growth rates.
Built by Claude AI. Perfected by us.
We use Claude AI to draft each free template, after a deep research. Then our team steps in. We refine the layout, stress-test every formula, fix edge cases, and polish the design until it feels like something we would actually use ourselves. The AI gets us 80% there. The last 20% is all human judgment.
Frequently Asked Questions
What is the FIRE number?
The FIRE number is the portfolio size needed for investment income to cover living expenses. Using the 4% rule, it equals annual expenses multiplied by 25.
What is the difference between lean, traditional, and fat FIRE?
Lean FIRE targets a minimal lifestyle, traditional FIRE matches current spending, and fat FIRE targets a more comfortable or higher-spending lifestyle.
Can I change the withdrawal rate?
Yes. The withdrawal rate field is editable. Lower rates (3%) require a larger portfolio but may be more sustainable. Higher rates (5%) need less but carry more risk.
Does it account for Social Security?
Not directly. If you expect Social Security income, reduce your annual expense input by that amount to see the portfolio needed to cover the remaining gap.
How do I open this in Google Sheets?
Upload the .xlsx file to Google Drive, then open it with Google Sheets. All formulas and formatting will be preserved.
What license is this template under?
All free templates are released under CC BY 4.0 (Creative Commons Attribution). You can use, modify, and share them freely - including for commercial purposes - as long as you credit FinancialAha.com. They are provided as-is and do not constitute financial advice.
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