Fat FIRE Calculator
Retire comfortably with extra margin
Your Fat FIRE Number
$474,398
Fat Age
52
Time Left
22 years
FIRE Goal
$1,800,000
You'll reach Fat FIRE at age 52. After that, compound growth alone gets you to $1,800,000.
Portfolio Projection
Year-by-Year Breakdown
| Age | Contributions | Growth | Withdrawals | Balance | FIRE % | Phase |
|---|---|---|---|---|---|---|
| 30 | $18,000 | $3,500 | -- | $71,500 | 2.8% | Saving |
| 31 | $18,000 | $5,005 | -- | $94,505 | 4.0% | Saving |
| 32 | $18,000 | $6,615 | -- | $119,120 | 5.3% | Saving |
| 33 | $18,000 | $8,338 | -- | $145,459 | 6.6% | Saving |
| 34 | $18,000 | $10,182 | -- | $173,641 | 8.1% | Saving |
| 35 | $18,000 | $12,155 | -- | $203,796 | 9.6% | Saving |
| 36 | $18,000 | $14,266 | -- | $236,061 | 11.3% | Saving |
| 37 | $18,000 | $16,524 | -- | $270,586 | 13.1% | Saving |
| 38 | $18,000 | $18,941 | -- | $307,527 | 15.0% | Saving |
| 39 | $18,000 | $21,527 | -- | $347,054 | 17.1% | Saving |
What is Fat FIRE?
Financial independence with enough savings to support a comfortable, even luxurious retirement lifestyle.
Unlike Lean FIRE, which focuses on frugality, Fat FIRE provides a generous spending budget that includes travel, dining, hobbies, and a substantial buffer for unexpected expenses.
Fat FIRE Number by Spending Level
Your Fat FIRE number depends on your target spending and safe withdrawal rate. Here's what Fat FIRE looks like at different annual spending levels with a 4% SWR:
$100,000/year
$2,500,000
$150,000/year
$3,750,000
$200,000/year
$5,000,000
Use the calculator above to find your specific Fat FIRE number based on your current spending, savings rate, and expected returns. The Coast FIRE Calculator can show you when compound growth alone will carry you to these targets.
Comparing FIRE Types
~60% of normal spending ($28,800/year on $48K base)
$720,000
Regular FIRE
Normal spending ($48,000/year)
$1,200,000
Fat FIRE
~150% of spending ($72,000/year)
$1,800,000