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A Fat FIRE calculator determines the portfolio size needed to retire early with a higher spending budget, typically $100,000+ per year. Using the 4% withdrawal rule, Fat FIRE at $150,000/year requires a $3.75 million portfolio — compared to "Lean FIRE" at $40,000/year needing only $1 million.

Водич корак по корак

1. 1Gather required input values
2. 2Apply the relevant formula
3. 3Display the calculated result

Worked Examples

Common Mistakes to Avoid

• ✕Measurement errors
• ✕Wrong assumptions

Frequently Asked Questions